1 3/4 c. hot water
1 (11 oz.) can condensed Cheddar cheese soup
1 (12 1/2 oz.) can water packed tuna, drained and flaked
1 (10 oz.) pkg. frozen peas
1/4 chopped onion
2 c. minute rice

Bring water, soup, tuna, peas, and onion to a full boil. Stir in rice. Cover; remove from heat. Let stand 5 minutes.