Green Rice

3 cups cooked white rice, slightly underdone
2 cups whole milk
4 tablespoons butter, melted
1 cup colby-monterey jack cheese, shredded
1 large onion, chopped fine
1 cup spinach, cooked and very finely chopped
2 eggs, beaten
2 teaspoons salt
1 teaspoon pepper
1 teaspoon garlic powder

Preheat oven to 350 degrees.
Butter a 3 quart casserole or 9x13 pan.
Combine all ingredients in a large bowl, then turn into the baking dish.
Bake uncovered for 40-45 minutes, until eggs are set.