Ingredients for - Billy Boy's Butter Tart Slice

1. Cooking spray
2. All-purpose flour 1 ½ cups
3. Confectioners' sugar 2 tablespoons
4. Butter, softened ½ cup
5. Brown sugar 1 ½ cups
6. Eggs, well beaten 2
7. Melted butter ¼ cup
8. White vinegar 1 tablespoon
9. Vanilla extract 1 teaspoon
10. Raisins 1 cup

How to cook deliciously - Billy Boy's Butter Tart Slice

1 . Stage

Preheat oven to 325 degrees F (165 degrees C). Spray a 9x9-inch pan with cooking spray.

2 . Stage

Whisk flour and confectioner's sugar together in a bowl; stir in 1/2 cup butter until crumbly. Press flour mixture evenly into the bottom of prepared pan.

3 . Stage

Bake in the preheated oven for 5 minutes. Remove pan from the oven, leaving oven at 325 degrees F (165 degrees C).

4 . Stage

Beat brown sugar, eggs, 1/4 cup melted butter, vinegar, and vanilla extract together in a bowl until smooth; stir in raisins. Pour sugar mixture over baked crust.

5 . Stage

Bake in the oven until bubbly and golden, about 35 minutes; cool before slicing.