Preheat oven to 350°F; grease two 9-inch pans.
Whisk flour, baking powder, and salt.
Cream butter and sugar 3-4 min. Add eggs, vanilla; mix. Taste and adjust the sweetness or vanilla.
Add dry ingredients and milk alternately; mix until just combined.
Divide batter into pans; bake 25-30 minutes. Cool 10 minutes in pans, then on a rack.
Beat butter, powdered sugar, vanilla, and cream for frosting; adjust consistency. Taste and adjust the sweetness.
Frost one layer, top with the second, frost all. Garnish with sprinkles and berries.
Serve on a white ceramic platter with coffee and lemonade.