Quick Tuna Pot Pie

1 (6/12 ounce) can tuna, drained
1 can mushroom soup
1 (16 ounce) can peas, drained
1 can refrigerator biscuits

Combine tuna, soup and peas. Place in greased casserole. Arrange biscuits on top of mixture. Bake at 425 degrees F for 15 minutes or until biscuits are golden brown.