Buttery Raspberry Crumble Bars

Bahan-bahan (20 porsi)

• 2 cups old fashion oats
• 1 1/2 cups all purpose flour
• 1 cup brown sugar
• 1 teaspoon baking powder
• 1/2 teaspoon cinnamon
• 2 sticks (1 cup) cold salted butter, cubed
• 2 1/2 cups fresh raspberries
• 2 -4 tablespoons brown sugar
• 2 tablespoons all-purpose flour
• 2 teaspoons vanilla extract
• 2 teaspoons lemon zest
• 1/2 cup raspberry jam
• 1 ripe but firm peach, thinly sliced