Roti Muffin Pie Blueberry dengan Glasir Lemon

Bahan-bahan (12 porsi)

• 2 ⅓ cups all-purpose flour
• 1 tablespoon baking powder
• ½ teaspoon garam
• 1/2 cup gula
• ¼ cup minyak sayur
• 1 telur
• 1 cup susu
• 1 teaspoon vanila
• 1 (21 ons) kaleng Pengisian dan Topping Buah Blueberry Lucky Leaf®
• ¼ cup cubed cold butter
• ½ cup all-purpose flour
• ½ cup light brown sugar
• 1 cup gula bubuk
• 2 tablespoons krim kental
• 1 tablespoon air jeruk