Triple Veggie Casserole

Ingredients

• 1/2 stick butter
• 1 cup Cheddar cheese, shredded
• 1 large onion, chopped
• 1/2 cup fresh mushrooms, sliced
• 1 large package broccoli, thawed
• 1 large package cauliflower, thawed
• 1 1/2 cans cream of mushroom soup
• 1 small package almonds, slivered