1 (16 oz.) pkg. mostaccioli or penne pasta, cooked
1 (8 oz.) pkg. pepperoni
1 c. sliced mushrooms
1 (8 oz.) jar pizza sauce
1 (14 oz.) can diced tomatoes
1 tbsp. Italian seasoning
2 c. shredded Mozzarella cheese

Mix pepperoni, mushrooms, sauce, tomatoes and seasoning. Layer pasta, sauce mixture and cheese in 13 x 9 pan.

Bake at 450°F for 20 minutes.