1. Preheat oven to 350 degrees. Spray a 9×13 inch pan with non-stick cooking spray.
2. In a small bowl, combine the flour, baking powder, baking soda, and salt. Whisk together and set aside. In a mixer, beat the sugar and butter until light and fluffy, about 2 minutes.
3. Add in the eggs and mix on low until just combined. Add in the pureed strawberries, strawberry yogurt and milk. Mix until just combined.
4. Add in the flour mixture a little at a time, mix on low just until combined. Be sure not to overmix.
5. Pour the batter into the prepared 9×13 inch pan. Bake for 27-30 minutes or until a toothpick inserted in the center comes out clean. Allow the cake to cool completely before frosting.
6. CREAM CHEESE FROSTING- In a mixer, combine the cream cheese and butter, beat for 1-2 minutes, until smooth. Add in the vanilla extract and gradually add the powdered sugar. Beat with the mixer until well combined. Spread the frosting over the cooled cake.