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Looking for brunch dessert ideas? This mason jar crumb cake recipe is amazing and exactly what you are looking for! Try it today!
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Mason Jar Crumb Cake

Author: Jennifer


  • 1 tablespoon canola oil
  • 4 cups all-purpose flour
  • 1/2 cup granulated sugar
  • 2 1/2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 1 large egg
  • 1/2 cup milk
  • 2 teaspoon pure vanilla extract
  • 1 cup light-brown sugar firmly packed
  • 1 1/2 teaspoons ground cinnamon
  • 1 cup unsalted butter melted and cooled
  • 12 mini mason jars
  • Spray cooking oil


  • In a medium bowl, sift together 1 1/2 cups flour, the granulated sugar, baking powder, and salt; set aside.
  • In a second bowl, whisk together the egg, milk, canola oil, and vanilla.
  • Using a rubber spatula, fold dry ingredients into the egg mixture.
  • Spray each mason jar with cooking oil.
  • Pour batter into each jar only filling half way.
  • In a medium bowl, combine remaining 2 1/2 cups flour, brown sugar, and cinnamon.
  • Pour melted butter over flour mixture, and toss with a rubber spatula until large crumbs form.
  • Top each jar with crumb topping.
  • Place all jars on a cookie sheet.
  • Bake in a preheated oven at 325 for about 20-30 minutes or until a knife comes out clean.
  • Allow to cool the jars will be very hot.
  • The cakes stay fresh with the lid for up to 1 week. You can also freeze them.