Tuna Mac And Cheese 2 cups water 2 cups elbow macaroni 12 ounces Velveeta, cubed 1 cup mixed vegetables, drained 1 (6.5 ounce) can tuna, drained, flaked 2 tablespoons milk In saucepan, bring water to a boil. Stir in macaroni. Reduce heat to medium-low. Cover. Simmer for 8 to 10 minutes, or until tender, drain. Add cheese, vegetables, tuna and milk. Stir until cheese is melted and heated through.