White Sheet Cake

Grammy's White Sheet Cake 1 c. butter 1 c. water 2 c. sugar 2 1/4 c. all-purpose flour 1/2 tsp. salt 1 tsp. baking soda 2 eggs 1 tsp. vanilla 1/2 c. sour cream Frosting: 1 c. butter 6 Tbl. evaporated milk 4 1/2 c. powdered sugar 1 tsp. vanilla 1/8 tsp. salt strawberries if desired Preheat oven to 375 degrees. Melt butter and water in a large saucepan over medium-low heat until butter is melted. Remove from heat and stir in the sugar, flour, salt and baking soda. Stir with a wire whisk until smooth. Add eggs and vanilla. Stir in the sour cream and mix until blended. Pour the batter into a well greased 11''x17'' sheet pan. Bake for 20-25 minutes or until the cake springs back when lightly touched or a toothpick inserted in center comes out clean. Remove cake from oven and allow to cool slightly while you make the frosting. Put the butter and milk into a medium saucepan. Heat until butter is melted and bring to a simmer. Remove from heat and stir in the powdered sugar, vanilla and a dash of salt. Whisk until completely smooth.