Grease one 10-inch bundt cake pan with shortening and flour (or use cake release or Baker’s Joy spray). Pour into greased and floured 13x9 pan. Berries: Peaches and berries are delicious together!Mix in a 1/2 cup fresh blueberries, raspberries, or blackberries into the cake batter. DIRECTIONS. VARIATIONS ON PEACH CAKE. Preheat the oven to 350 degrees Fahrenheit. How to Make Peach Swirl Bundt Cake. Gently fold in peaches. Fruit: Other stone fruits taste just as good in this pound cake.Instead of peach slices, you can use sliced plums, apricots, or nectarines. Cream butter and sugar and add egg. Bring this cake together with fresh peach chunks, cinnamon sugar flavors, and an ooey gooey sweet topping. Add flour, soda, salt and milk and beat until smooth.