Best Broccoli Rice Casserole

INGREDIENTS

6 cups

broccoli (cut into 1-2 inch pieces; you can also use leftover steamed broccoli)

2 cups

cooked white rice (I used basmati)

3 tbsp

unsalted butter

onion (diced)

3 tbsp

all-purpose flour

1 cup

milk (whole or light works)

1 cup

heavy cream (light cream works as well)

4 cloves

garlic (minced)

1/2 tsp

dry mustard powder

1/2 tsp

paprika

1/2 tsp

salt

1/4 tsp

pepper

1/2

cream cheese (room temperature)

1/2 cup

sour cream (room temperature)

2 cups

shredded cheddar cheese (divided)