Impossible Broccoli Pie - cooking recipe

Ingredients

2 (10 oz. each) pkg. frozen, chopped broccoli
1 c. (4 oz.) Cheddar cheese, shredded
1 c. (4 oz.) Mozzarella cheese, shredded
1 c. (4 oz.) Monterey Jack cheese, shredded
2/3 c. onion, chopped
1 1/3 c. milk
3 eggs
3/4 c. buttermilk baking mix
3/4 tsp. salt
1/4 tsp. pepper

Preparation

Heat oven to 400\u00b0.
Grease 10 x 1 1/2-inch pie pan.