Whisk the flour, baking powder and salt together in a bowl.
In another bowl, whip the butter and sugar with a handheld mixer until fluffy for about 5 minutes. Beat in applesauce and vanilla until combined. Slowly beat dry ingredients in.
Chill the ingredients in the fridge for 30 minutes.
Preheat oven to 350

1 3/4 cup flour
1/2 teaspoon baking powder
1/2 teaspoon salt
3/4 cups vegan butter, softened
2/3 cup sugar
1/4 cup applesauce
1 teaspoon vanilla extract
1/3 cup raspberry, cherry or strawberry jam