4 1/2 c
1In a large saucepan, bring butter and water just to a boil. Immediately remove from heat; stir in the flour, sugar, eggs, sour cream, almond extract, baking soda and salt until smooth.
2Pour into a greased 15in x 10in x 1in baking pan. Bake at 375 for 20-22 minutes or until a toothpick inserted near the center, comes out clean, and cake is golden brown. Cool for 20 minutes.
3For frosting, in a large saucepan, combine butter and milk. Bring to a boil. Remove from the heat; stir in sugar and extract. Stir in walnuts; spread over cake.