Cheesy Chicken and Spinach Pasta Bake

INGREDIENTS

8 oz

uncooked rigatoni

3 tbsp

dried minced onion flakes

1 10 ounce package

frozen chopped spinach, thawed

3 cups

cooked, chopped chicken

1 14.5 ounce can

Italian-style diced tomatoes, undrained

1 8 ounce container

chive-and-onion cream cheese

1/4 tsp

garlic powder

1/2 tsp

salt

1/2 tsp

pepper

2 cups

shredded mozzarella cheese