Preparation Method
- Position one oven rack in the middle position and one rack in the top position. Preheat the oven to Bake 400°F.
- Prepare pasta following package directions. Salt the water generously.
- In a small sauté pan, over medium heat, brown the pancetta. Remove with a slotted spoon to paper towel to drain. Set aside..
- In a small bowl, stir together flour and cayenne pepper.
- In a baking dish, layer one-third of the cooked pasta. Place one-third of butter evenly over the pasta. Sprinkle 1 tablespoon of the flour mixture over top. Add one-third of the pancetta. Sprinkle with one-third Gruyere cheese and one-third cheddar cheese. Add one-third pimentos. Repeat this step two more times for a total of three layers.
- Pour in milk.
- Place in the oven on the middle rack and bake until cheese is melted, 20-25 minutes.
- Remove from the oven and stir until blended.
- Layer the tomatoes over the top. Season with salt and pepper
- Spread panko, evenly over the top. Drizzle with olive oil.
- Return to the oven on the top rack. Bake until browned, 7-10 minutes.
- Let stand 10 minutes. Serve hot.
Pro Tip
If cooking 2 casseroles in the oven at the same time, you may need to decrease the cooking temperature to 350°F and extending the cooking times. Adding topping breading and rotating the baking dishes at the end of cooking will ensure even browning for each dish.