There’s a moment every October—right after the first real cold snap—when I drag my slow cooker out from the back of the pantry, blow off a thin layer of dust, and declare to anyone within earshot that “it’s officially chili season, people!” My kids roll their eyes (they’ve heard this proclamation every year), but by dinnertime the house smells like cumin, smoked paprika, and slowly-stewed tomatoes, and even the skeptics are hovering around the kitchen with spoons in hand.

This particular chili has been my weekday workhorse for almost a decade. It was born during a frantic season of cross-country work trips and after-school swim meets, when I needed something that could be dumped into a crock before 7 a.m. and still taste like I’d spent the afternoon coaxing flavors on the stove. Ground turkey keeps the saturated fat in check, while sweet potatoes lend natural sweetness and a velvety texture that balances the smoky heat. A secret scoop of plant-based protein powder—completely flavorless, I promise—boosts each serving to a whopping 37 grams of protein without any chalky aftertaste. The result is a deeply comforting, nutrient-dense bowl that fuels marathon study sessions, post-lift gym goers, and picky toddlers alike.

I’ve served this at casual Sunday game-days (set out every topping imaginable and let friends build their own), packed it in thermoses for ski-trip lunches, and spooned it over baked sweet potatoes for a gluten-free body-building buddy. However you dish it up, the recipe is wonderfully forgiving—perfect for novice cooks who want to practice knife skills, and equally loved by seasoned meal-preppers who crave a reliable, reheatable staple.

Why This Recipe Works

Set-it-and-forget-it: A 6-quart slow cooker does the heavy lifting—no baby-sitting a simmering pot.
Protein powerhouse: 37 g protein per cup thanks to lean turkey, beans, and a scoop of unflavored pea protein.
Budget-friendly: Uses inexpensive ground turkey instead of pricier beef or chicken breast.
Nutrient-dense carbs: Sweet potatoes deliver slow-burning energy, fiber, potassium, and beta-carotene.
Freezer hero: Flavors improve overnight and the chili freezes beautifully for up to 3 months.
Allergen-friendly: Naturally gluten-free, nut-free, and easily made dairy-free—great for crowds.
Customizable heat: Dial the cayenne up or down; swap in bell peppers for mild palettes.

Ingredients You’ll Need

Great chili starts at the grocery store. Because the ingredient list is short, quality matters: choose tomatoes packed within the last year, spices that still smell fragrant, and turkey that’s rosy, not gray. Below I’ve outlined exactly what to look for plus smart substitutions if your pantry (or dietary needs) differ.

Ground turkey – 2 lb (907 g)
Opt for 93% lean; anything leaner can dry out during the long cook. Dark-meat turkey (sometimes labeled “ground turkey thigh”) stays juicier and still keeps saturated fat reasonable. If you’re vegetarian, swap in two 14-oz cans of green or black lentils plus 8 oz crumbled tempeh; the texture is surprisingly similar.

Sweet potatoes – 1½ lb (680 g), about 3 medium
Look for firm, unbruised skins and tapered ends—those store less fibrous tissue. Jewel or garnet varieties are sweetest; Japanese purple sweet potatoes lend a gorgeous color but cook up a tad drier. No sweet potatoes? Butternut squash or pumpkin cubes work, just reduce initial cook time by 30 min so they don’t dissolve.

Black beans – 2 cans (15 oz each), rinsed
Rinsing removes up to 40% of the sodium. If you’re a bean purist, soak 1 cup dried beans overnight, simmer 45 min until just tender, then proceed. Pinto or kidney beans fit seamlessly.

Crushed tomatoes – 28 oz can (fire-roasted if possible)
Fire-roasted tomatoes add subtle grill-smoke without extra work. Check the label—avoid brands with calcium chloride if you prefer a softer texture.

Chicken broth – 2 cups (480 ml), low sodium
Homemade is gold, but boxed works. Replace with vegetable broth to keep vegetarian.

Yellow onion – 1 large, diced small (about 1½ cups)
Sweet onions like Vidalia tame the spice for kids; red onions give a sharper finish.

Garlic – 4 cloves, minced
Fresh garlic mellows beautifully in the slow cooker; jarred minced garlic tastes tinny over long cooks.

Chipotle pepper in adobo – 1 pepper + 1 tsp sauce, minced
Freeze the rest in an ice-cube tray; each cavity holds roughly one pepper for future soups.

Bell pepper – 1 (any color), diced
Adds vegetal sweetness and flecks of color. Swap in poblano for deeper heat.

Unflavored pea protein – ¼ cup (30 g)
Make sure it’s unflavored; vanilla chili is… memorable. Collagen peptides dissolve just as well if you’re not vegetarian.

Spice lineup: chili powder 2 Tbsp, ground cumin 1 Tbsp, smoked paprika 1 tsp, dried oregano 1 tsp, cayenne ¼ tsp (optional), ground cinnamon ¼ tsp (secret warmth), salt & pepper to taste.

For serving (optional but encouraged): diced avocado, chopped cilantro, lime wedges, Greek yogurt or shredded cheddar, baked tortilla strips, pickled jalapeños.

How to Make High Protein Slow Cooker Turkey Chili with Sweet Potatoes

Brown the turkey

Heat 1 Tbsp olive oil in a large non-stick skillet over medium-high. Add ground turkey, breaking it into walnut-size chunks. Let it sit 90 seconds undisturbed so the meat caramelizes (hello, Maillard flavor). Continue cooking 4–5 min until barely pink. Transfer to a 6-quart slow cooker insert.

Sauté aromatics

In the same skillet, add onion and bell pepper. Cook 3 min until edges turn translucent. Stir in garlic, chipotle + adobo, and all dried spices (except salt). Toast 60 seconds; the mixture will look like a fragrant paste. Scrape into the slow cooker—those browned bits equal free flavor.

Load remaining ingredients

Add sweet-potato cubes, black beans, crushed tomatoes, broth, and protein powder. Stir just until combined; over-mixing can break the potatoes. Level should sit 1 inch below the rim—if you’re over, reserve some broth for later.

Choose your cook time

Cover and cook on LOW 7–8 hours or HIGH 4 hours. Sweet potatoes should yield easily to a fork but stay cubed; turkey will finish cooking and absorb seasoning.

Adjust seasoning

Taste after cooking. Beans and tomatoes vary in salt; add ½ tsp kosher salt, ¼ tsp black pepper, and optional cayenne for more heat. Stir, cover, and let stand 10 min so flavors meld.

Serve & top

Ladle into warm bowls. Load on your favorites: a squeeze of lime for brightness, creamy avocado for healthy fat, and a sprinkle of fresh cilantro for lift. If you’re feeding a crowd, set toppings buffet-style and let everyone customize.

Store or freeze

Cool leftovers to room temp, portion into airtight containers, and refrigerate up to 5 days or freeze up to 3 months. Reheat gently with a splash of broth; flavors deepen overnight.

Expert Tips

Toast spices in fat

Blooming spices in the residual turkey fat unlocks volatile oils, giving the chili restaurant-depth without extra simmering.

Don’t over-stir

Sweet potatoes soften as they cook; stirring too often turns them into mash. Once after adding ingredients and once at the end is plenty.

Thickness control

If chili is soupy, prop the lid askance for the last 30 min or mash a cup of sweet potatoes against the side and stir back in.

Speed-track option

Short on morning minutes? Brown turkey and veg the night before; refrigerate in the insert. In the a.m., add remaining ingredients and start.

Safety first

Never place frozen turkey in a slow cooker—it lingers in the bacterial danger zone. Thaw overnight in the fridge.

Double-batch bonus

This recipe doubles perfectly in an 8-quart cooker. Freeze half flat in zip bags; they stack like books and thaw quickly.

Variations to Try

White bean & chicken version: Sub 2 cans great northern beans and 2 lb diced chicken breast; swap green chiles for chipotle.
Vegetarian “beyond” chili: Replace turkey with 2 packages crumbled plant-based meat; use vegetable broth and smoked paprika for depth.
Paleo route: Omit beans, double turkey, add 2 diced zucchini, and replace broth with bone broth.
Extra-veg boost: Stir in 2 cups finely chopped kale or spinach during the last 15 min for a pop of greens.
Beer infusion: Swap 1 cup broth for a malty amber beer; it deepens flavor reminiscent of tailgate chili.
Instant Pot shortcut: Use sauté function for steps 1–2, then high pressure 12 min with natural release 10 min.

Storage Tips

Refrigeration: Transfer cooled chili to glass jars or BPA-free containers within 2 hours of cooking. Flavors meld overnight; it tastes even better on day two. Keep 3–5 days at ≤40°F.

Freezing: Ladle into quart-size freezer bags, squeeze out excess air, label with date, and freeze flat on a sheet pan. Once solid, stack vertically like books to save space. Use within 3 months for best texture, though it remains safe indefinitely at 0°F.

Reheating: Thaw overnight in the fridge. Warm gently over medium-low heat with ¼ cup broth per portion, stirring occasionally. Microwave works—cover loosely and heat 2 min, stir, then 1–2 min more. Avoid boiling; it breaks the sweet potatoes.

Make-ahead lunch jars: Portion 1½ cups chili into 16-oz mason jars; top with a layer of shredded cheese, then freeze. Grab on the way out; by noon it’s partially thawed and heats quickly in the office microwave.

Frequently Asked Questions

Technically yes, but browning first adds a layer of caramelized flavor you can’t get from a moist slow-cook environment. If you must skip the skillet, break the turkey into very small crumbles and increase cook time by 1 hour on LOW, stirring at the halfway mark.

Nine times out of ten, acid and salt. Stir in ½ tsp kosher salt and 1 Tbsp lime juice, then re-taste. Still dull? Add a pinch of brown sugar to balance tomato acidity or a splash of vinegar for brightness.

Nope. It simply boosts protein without altering flavor. Omit it and you’ll still net ~29 g protein per serving—plenty for most people—or stir in ½ cup red lentils instead for a whole-food boost.

Dice larger (¾-inch) next time or add them halfway through. If it’s already too late, embrace it: mash the chili into a thick stew and call it “smothered burrito filling.” Still delicious.

Yes, but keep the cook time the same (a fuller crockpot insulates better). Use a 4-quart cooker and reduce ingredients by half, but keep spice quantities nearly the same—surface area of spices stays similar.

Choose no-salt-added tomatoes and beans, swap low-sodium broth, and salt to taste at the end instead of in the beginning. You’ll control levels and still get a vibrant bowl.

High Protein Slow Cooker Turkey Chili with Sweet Potatoes

Why This Recipe Works

Ingredients You’ll Need