Make the rouxPreheat the oven. Combine flour and oil in a very large oven-proof dutch oven. Bake uncovered, stirring until the roux is milk chocolate brown in color. Once done, you'll finish the gumbo on the stovetop
Add the garlic and creole seasoning and cook until the garlic is fragrant. Gradually add chicken stock, bay leaves, and thyme and stir. Add salt, pepper, and additional creole seasoning to taste.