Strawberry Shortcake

This recipe is a staple of my mom's.  She made it all of the time during strawberry season.

Strawberry Shortcake

2 1/4 cup bisquick baking mix
1/4 cup sugar
2/3 cup milk
3 T butter - melted
1 egg
2 LB strawberries
sugar

Stir baking mix, sugar, milk, butter, and egg together by hand. Place in ungreased 9" round pan. Bake at 350° for 30-35 minutes. Mash berries and sweeten with sugar to taste.