Mushroom Rice Bake | Grandma Nancy's Cookbook | Umami

Ingredients

• 1 1/2 cups long- or whole-grain rice, uncooked
• 2 cups sliced fresh mushrooms (about 8 ounces)
• 1 small onion, chopped
• 1 (10-1/2-ounce) can condensed beef broth
• 1 (10-3/4-ounce) can condensed cream of mushroom soup
• 1/2 stick (.25 cup) butter, melted
• 1/2 teaspoon black pepper