01 -
Rub butter (or mist with nonstick spray) inside a 23 × 33 cm pan. Set your oven to heat up to 175°C.
02 -
Grab a bowl and whisk your flour with baking powder, baking soda, and salt so they aren't clumpy.
03 -
Pop soft butter and sugar in a big bowl, then blend until it looks pale and airy using a mixer.
04 -
Crack in the eggs one after the other. Blend after each, then pour in vanilla and mix just until it's together.
05 -
Mix in sour cream. Now swap between tossing in dry mix and pouring in milk. Always start and finish with dry stuff. Stir just enough. No hard mixing!
06 -
Pour everything into your prepped pan. Level the top. Bake about 25–30 minutes. If a toothpick slips out clean, it's done.
07 -
Move your cake pan onto a wire rack and let it chill out completely before going on.
08 -
While your cake settles, sprinkle 3 tablespoons sugar on your strawberry slices. Let them sit about 20–30 minutes so they get nice and juicy.
09 -
Beat the heavy cream, icing sugar, and vanilla in a cold bowl until you see soft peaks. Stop once it's fluffy.
10 -
Layer juicy strawberries over your cooled cake. Pile on generous whipped cream. Slice up and dig in right away.