Old-Fashioned Raisin Bars - Dinner With Julie

Ingredients

• Base:
• 1/2 cup oats
• 1/2 cup all-purpose flour
• 1/4 cup packed brown sugar
• 1/4 tsp. baking powder
• pinch salt
• 1/4 cup butter, cut into pieces
• Topping:
• 1 1/2 cups packed brown sugar
• 1 Tbsp. all-purpose flour
• 2 large eggs
• 2 Tbsp. butter, melted
• 1 tsp. vanilla
• 1- 1 1/2 cups raisins