Grandma's Butter Tarts

• 12 cup butter
• 2 cups brown sugar
• 2 eggs (slightly beaten)
• 1 teaspoon vanilla
• 2 teaspoons vinegar
• 12 -24 tart shells

1. Melt butter, add brown sugar.
2. Add eggs, vanilla and vinegar.
3. Beat until smooth.
4. Add mixture to tart shells.
5. Bake at 350 F for about 20 minutes.
6. (didn't specify servings, so I guessed).

butter, brown sugar, eggs, vanilla, vinegar, tart shells

Taken from www.food.com/recipe/grandmas-butter-tarts-446968 (may not work)