Heat olive oil in a large skillet over medium-high heat. Add onion and bell pepper. Sauté for 3 minutes. Add minced garlic and sauté another 30 seconds or until fragrant. Remove from heat. Pour mixture into slow cooker.
In the same skillet used to cook the onions, pepper, and garlic, add ground turkey and cook over medium heat until browned. Place the cooked turkey into the slow cooker.
Next, add the salsa, fire roasted tomatoes, beans, chili powder, cocoa powder, salt, paprika, oregano, red pepper flakes, and cumin to the slow cooker. Carefully pour in the chicken stock, stir until ingredients are blended thoroughly.
Cook on low 6 to 8 hours or high for 4 hours. Serve and enjoy!
Add an extra pound of ground turkey for a chunkier chili.