Moist Sour Cream Lemon Pound Cake. Lemon pound cake 1 ½ cups (3 sticks) unsalted butter, softened 2 ¼ cups granulated sugar 7 large eggs separated, room temperature ¾ teaspoon cream of tartar ¼ cup. Beat together sour cream and lemon juice.

How to make blueberry lemon sour cream pound cake sift or whisk together flour, baking soda, and salt, and set to the side. Prepare a loaf pan (approximately 9x5) with cooking spray and parchment paper. You can go the extra mile here and top with a little extra lemon zest to give people a preview of what’s in store.