Homemade Cinnamon Toast Crunch

Bahan-bahan (6 porsi)

• 1 tablespoon plus 1/2 teaspoon cinnamon
• 1/2 cup granulated sugar
• 1 1/4 cups white whole wheat or whole wheat pastry flour ((or additional all-purpose flour))
• 1 1/4 cups all-purpose flour
• 1/2 teaspoon kosher salt
• 2 sticks (1 cup) cold salted butter, cut into 1/2 inch pieces
• 1/2 cup cold water
• 2 teaspoons vanilla extract
• 2 -4 tablespoons salted butter, melted