Step 1: Brown the Meat (Optional) : In a skillet, heat olive oil over medium heat. Add ground turkey or beef and cook until browned. Transfer to the slow cooker.
Step 2: Prepare the Vegetables : Peel and dice the butternut squash. Chop onion, garlic, and bell peppers.
Step 3: Assemble in the Slow Cooker : Add all vegetables, drained beans, diced tomatoes, tomato paste, broth, chili powder, smoked paprika, cumin, cayenne (if using), salt, and pepper to the slow cooker. Stir to combine.
Step 4: Slow Cook : Cover and cook on low for 6–7 hours or high for 3–4 hours until the squash is tender and the flavors are well blended.
Step 5: Check and Adjust Seasoning : Taste the chili and adjust salt, pepper, or spices as needed.
Step 6: Serve : Spoon chili into bowls and serve hot. Optional toppings include shredded cheese, sour cream, chopped cilantro, or avocado slices.