Jam Crumb Cake Recipe
- 1 cup all-purpose flour
- 1/2 cup sugar
- 1 3/4 teaspoons baking powder
- 1/4 teaspoon salt
- 3/4 stick unsalted butter, melted
- 1/2 cup milk
- 1 large egg
- 1/2 cup raspberry jam or preserves
- 3/4 stick unsalted butter, melted
- 1/4 cup packed brown sugar
- 1/4 cup granulated sugar
- 3/4 teaspoon cinnamon
- 1/8 teaspoon salt
- 1 cup plus 2 tablespoons all-purpose flour
- Preheat oven to 400°F with rack in middle. Generously butter a 9-inch square or round cake pan.
- Whisk together flour, sugar, baking powder, and salt.
- Whisk together butter, milk, and egg in a large bowl, then whisk in flour mixture until just combined. Pour batter into cake pan. Dollop jam all over surface, then swirl into batter with spoon.
- Whisk together butter, sugars, cinnamon, and salt until smooth. Stir in flour, then blend with your fingertips until incorporated. Sprinkle crumbs in large clumps over top of cake.
- Bake cake until a wooden pick inserted in center comes out clean and sides begin to pull away from pan, about 25 minutes. Cool in pan on a rack 5 minutes.