Jewish Coffee Cake
["1/2 c. butter", "1 c. sugar", "3 eggs", "2 c. flour, sifted", "1 tsp. vanilla", "1 tsp. baking powder", "1 tsp. baking soda", "1/2 tsp. salt", "1/2 pt. sour cream"]
["Cream butter, add sugar slowly.", "Add eggs, one at a time and beat well.", "Add dry ingredients.", "Fold in sour cream.", "Grease angel food cake pan.", "Place 1/3 of Streusel on bottom of pan, then 1/2 of dough, 1/3 of Streusel and rest of dough.", "Sprinkle remaining Streusel on top.", "Bake in 350\u00b0 oven 55 to 60 minutes."]
["butter", "sugar", "eggs", "flour", "vanilla", "baking powder", "baking soda", "salt", "sour cream"]