Butterscotch Redux.

Ingredients

• 2 cups all-purpose flour
• 1 tablespoon baking powder
• 1/2 teaspoon salt
• 6 tablespoons vanilla sugar
• 1/2 cup unsalted butter cold, cut into pieces
• 2 cups strawberries fresh, sliced
• 2 large eggs
• 1 egg beaten
• 1/4 cup yogurt
• 1 1/2 teaspoons vanilla extract