1/2 cup butter, softened
1 (16 ounce) can diced tomatoes
1 (10 ounce) can diced mushrooms
1 (12 ounce) package frozen chopped spinach
In a large saucepan, combine butter, tomatoes, mushrooms and spinach. Bring to a boil, stirring frequently. Reduce heat, and simmer 15 minutes. Remove from heat and stir in potatoes. Stir until potatoes are tender.