Crab Macaroni & Cheese - cooking recipe

Ingredients

1 1/2 cups dungeness crabmeat, leave as chunky as possible
1 (14 1/2 ounce) can whole tomatoes (drained and each tomato quartered)
1 (13 1/4 ounce) box rotini pasta
1/4 cup butter
1/4 cup diced onion
1/4 cup flour
2 cups milk
1 1/2 cups cheese, shredded
salt
pepper

Preparation

Preheat oven to 350 degrees.
Prepare pasta, set aside.
In skillet, melt butter over medium heat.
Add onions and saute.
Whisk in flour (will get thick).
Start whisking in milk in small amounts until the sauce has a gravy-like consistency.
Stir in cheese (I used a three-cheese blend) until melted.
Add salt and pepper, to taste.
Add the tomatoes and crab meat.
Add (cooked) pasta to sauce and transfer to a 13 x 9 baking dish.
Bake for 30 minutes.