Catherine Poluzzi, Poughkeepsie, New York Dutchess County Fa
1 cup sugar
1 tablespoon fresh lemon juice
1 teaspoon vanilla extract
1 cup cake flour (see tip below)
1/2 cup blueberry jam
Hi, Melissa. We are sorry to hear that your cake was crumbly. It could have been that the batter was over-mixed or cooled too long before rolling.