Pizza in a bowl

26 oz jar marinara sauce
14 oz can diced tomatoes
4 oz pepperoni
1 1/2 cups fresh mushrooms, sliced
1 bell pepper, diced
1 red onion, chopped
1 c water
1 T Italian seasoning
1 c dry macaroni
shredded mozzarella cheese

Combine all ingredients except cheese in slow cooker. cover and cook on low 5-6 hours. Ladle into bowls and sprinkle with cheese.