Vidalia Onion and Sausage Casserole

5 large Vidalia onions, sliced and lightly sauteed
12 crushed buttery crackers
1 pound sausage meat, browned and drained
1/4 teaspoon seasoning salt
1 (10 3/4 ounce) can cream of mushroom soup
1/2 cup grated Cheddar cheese
1 small jar pimentos

Heat oven to 350 degrees F.

Combine all ingredients except the crackers and transfer to a large casserole dish. Top with crackers and bake for 30 minutes or until crackers are golden brown.

Serve warm.