Grandma's 7 Up Pound Cake

3 sticks butter
3 cups sugar
3 cups whole wheat pastry flour
3 tsp lemon flavoring
1 cup of 7-Up Soda or All-Natural Lemon-Lime Soda
5-6 eggs
1. Preheat oven to 325 degrees. Mix butter and sugar in a bowl. Add eggs, one at a time.
2. Sift flour into a separate bowl, and then measure again. Place back into the sifter. Sift flour into butter mixture, alternating flour and 7-Up. (Start with flour, then 7-Up) But end with flour.
3. Mix and then drop cake batter evenly into bunt pan that has been buttered and floured. Bake for 50-60 minutes, or until done. When done, put powdered sugar on top.