*FOR A SHORTCUT: Prepare 1 box/bag corn muffin mix, such as Jiffy, according to package directions
Preheat oven to 400°F
For the chili, heat a 12-inch cast-iron skillet or oven-safe skillet over medium-high heat with the oil. Add bacon and render 2-3 minutes. Add onions, garlic, jalapeño peppers, cumin, coriander, chili powder, salt and pepper, and stir to toast spices. Cook 7-8 minutes to soften, stirring frequently. Add turkey or chicken, tomatoes and gravy or stock. Reduce heat to low to keep at barely a simmer.