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Billy Boy's Butter Tart Slice

Rated as 3.8 out of 5 Stars

"Thank you, Billy Boy, for sharing! These are incredibly delicious and ooey-gooey, at the top of our list of favorites."
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1 h 25 m servings 211
Original recipe yields 16 servings (16 slices)


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  1. Preheat oven to 325 degrees F (165 degrees C). Spray a 9x9-inch pan with cooking spray.
  2. 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. Bake in the preheated oven for 5 minutes. Remove pan from the oven, leaving oven at 325 degrees F (165 degrees C).
  4. 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. Bake in the oven until bubbly and golden, about 35 minutes; cool before slicing.


  • Partner Tip
  • Reynolds® parchment can be used for easier cleanup/removal from the pan.

Nutrition Facts

Per Serving: 211 calories; 9.4 30.5 2.4 46 75 Full nutrition

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Read all reviews 4
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This is an easy way to enjoy a butter tart! Not as pretty as a traditional tartlet, but so quick and easy with no fuss of rolling out a pastry. I followed the recipe exactly, and while it's tast...

Very, very tasty and fast. I added 1/4 sp salt to base and topping as I used unsalted butter. Increased vanilla to 1 tbsp. I reduced the flour to 1 1/4 cups as it was a bit crumbly last time. Li...

I did not care for this recipe. Not very buttery for butter tarts.

This is a NICE alternative to at traditional butter tart, top with whipped cream or ice cream for dessert!