1. Whip the butter that has softened at room temperature in a large bowl, add in granulated sugar, powdered sugar, and salt in portions, and continue to beat until the sugar dissolves
2. Add the egg liquid and the mixture in batches, and stir evenly with an electric whisk
3. Add the egg liquid and the mixture in batches, and stir evenly with an electric whisk
4. Stir evenly
5. Squeeze into shape and bake at 180 degrees for about 12 minutes
6. Take a biscuit, squeeze the chocolate sauce, and cover the biscuit.
Tips:Small Bell Sandwich Biscuits
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