2 c. milk
4 tbsp. butter
4 tbsp. flour
1 (9 1/2 oz.) can tuna
1 (9 oz.) can peas
1 c. mashed potatoes
Salt and pepper to taste

Melt butter, add flour and stir, add milk and cook until thickened. Add tuna and drained peas. Season with salt and pepper. Arrange mashed potatoes on top. Cook in 350 degree oven until bubbly.