: Plum Mixture
1
: Combine plums and sugar in medium bowl. Toss to mix well. Reserve while preparing biscuits.
: Shortcakes
2
: Preheat oven to 425°F (220°C). Lightly grease or line baking sheet with parchment paper.
3
: Combine flour, sugar, baking powder and salt in a large bowl. Cut in shortening with pastry blender or 2 knives until flour is blended to form pea-size pieces. Make a well in center of flour mixture.
4
: Beat egg in a small bowl. Add milk and vanilla. Mix thoroughly. Pour mixture into well in center of flour mixture; toss with fork until well combined (do not overwork). Drop batter into 6 equal mounds on prepared baking sheet. Sprinkle with sugar if desired.
5
: Bake for 10-12 minutes until lightly browned. Remove from oven; place baking sheet on a rack to cool.
6
: Split each shortcake in half horizontally. Place bottoms on serving plates. Place an even amount of plums on shortcake bottoms. Top with whipped cream. Replace shortcake tops. Serve.