INGREDIENTS
1 tsp
Garlic powder
5 10 ounce packages
Spinach, frozen
1/2
Yellow onion, medium
1 tsp
Mustard, dry
6 tbsp
Flour
1 1/2 tsp
Red pepper flakes
6 tbsp
Butter
8 oz
Cheddar cheese
4 1/2 cups
Milk
4 oz
Monterey jack cheese
1 1/2 cups
Monterey jack cheese, grated
8 oz
Velveeta cheese