Top & Bottom:

1/4 cup slivered almonds

1/2 cup brown sugar, lightly packed

3/4 cup all-purpose flour

1/4 teaspoon baking soda

1/8 teaspoon salt

1/2 cup (1 stick) unsalted butter, softened but not fully melted

1 teaspoon pure vanilla extract

3/4 cup rolled oats

Filling:

1/2 cup grape jam (store-bought or homemade)

3 tablespoons white sugar

2 tablespoons cornstarch

4 tablespoons cold water