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Jam bars lined up on a serving tray next to a stack of dessert plates, with a big bite taken out of the front bar
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Crumb Topping Jam Bars

Easily customize the flavor of these jam bars by picking your favorite jam, jelly, or fruit spread! These bars feature a cinnamon-spiced crumb topping and are perfect for using up small amounts of jam taking up space in the fridge.
Course Bar Desserts
Cuisine American
Prep Time 18 minutes
Cook Time 45 minutes
Total Time 1 hour 3 minutes
Servings 16
Calories 263kcal
Author Alyssa

Ingredients

  • 2 cups all-purpose flour
  • 1/2 cup brown sugar
  • 1/4 cup granulated sugar
  • 2 tsp baking powder
  • 1 tsp ground cinnamon
  • 1/2 tsp salt
  • 1/4 tsp ground nutmeg
  • 3/4 cup unsalted butter (12 tbsp) chilled and cut into small pieces
  • 1 egg beaten
  • 2 cups jam (in total)

Instructions

  • Preheat oven to 350°F. Grease a 9"x13" baking dish and set aside.
  • Add flour, brown sugar, granulated sugar, baking powder, cinnamon, salt, and nutmeg to a mixing bowl. Add chilled butter pieces and cut in using a pastry blender (or your fingers) until the mixture is very crumbly, with crumbs about the size of a pencil eraser or smaller. The mixture will not be perfectly smooth.
  • Beat egg well in a separate bowl and then stir into the dough until just combined.
  • Firmly press a little more than half of the dough into the greased baking dish, taking care to form a cohesive, even layer throughout.
  • Spread jam in an even layer over top.
  • Break up and crumble remaining dough over top of the jam layer.
  • Bake for 40-45 minutes, or until the jam is slightly bubbling and the top layer of crumbs is golden-brown.
  • Let everything cool in the pan until it's completely cool. Dust with confectioners' sugar (optional) and slice into bars. Store in an air-tight container at room temperature.

Notes

Flour: I've used a 50/50 blend of all-purpose and white whole wheat flour and enjoyed that here.
Jam: See notes in the post above on the different varieties of jam. Many work, though I suggest not using a low- or reduced-sugar variety as the not-overly-sweet base/crumb layers benefit by the added sweetness.

Nutrition

Serving: 1bar | Calories: 263kcal | Carbohydrates: 44.8g | Protein: 2.5g | Fat: 9.1g | Saturated Fat: 5.6g | Cholesterol: 33mg | Sodium: 140mg | Potassium: 48mg | Fiber: 1g | Sugar: 25.8g | Calcium: 10mg | Iron: 0.5mg

Nutritional information is provided as an estimate. As it can vary due to many factors (brands used, quantities, etc.), we cannot guarantee its accuracy.