To prepare a strawberry cream filled yellow cake recipe, first you need to prepare the cake batter. First, you'll need the following ingredients: butter, sugar, eggs, vanilla, and vanilla extract. Then, add the flour, baking powder, salt and baking soda to the dry ingredients and mix until the ingredients are well combined. Next, pour the batter into the prepared cake pan and bake it for 35 to 40 minutes at 350 degrees F.