1: Marinate the oxtails with the seasoning and brown sugar.
2: In a pot, cook the oxtails until tender.
3: Cook cavatappi pasta according to package instructions.
4: Sauté onions, peppers, and garlic in a separate pan.
5: Add the cooked oxtails to the sautéed veggies.
6: Combine with the cavatappi pasta, and stir in smoked gouda and white cheddar until melted.