WebNov 30, 2017 · In a large mixing bowl, beat the butter, oil, and sugars until combined. Beat in eggs and vanilla. In a large bowl, whisk together flour, baking soda, and cream of tartar. In two additions, add flour mixture to …
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WebJul 2, 2015 · Beat together butter, oil and sugars. Beat in eggs until well blended. Add vanilla. In a medium bowl, combine the flour, baking soda and cream of tartar, then …
WebMar 5, 2007 · 1 c. butter 2 eggs 1 c. sour cream 3 3/4 c. flour 2 tsp. baking powder 1 tsp. baking soda 1 tsp. vanilla Cream sugar and butter or add eggs; beat well. Add sour …