Best Easy Jam Bars Recipe

Sweet, fruity jam bars with a buttery oat crust and crumble topping are a simple, family-friendly dessert. These easy, versatile bars work beautifully with any favorite jam or preserves.

Cook 45 min Difficulty EASY 270 kcal
#vegetarian #family friendly #dessert #easy baking
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Ingredients
Main ingredients
  • all-purpose flour 1.5 cups
  • old-fashioned rolled oats 1.5 cups
  • unsalted butter 12 tbsp
  • packed light brown sugar 0.75 cup
  • favorite jam or preserves 1 cup
Seasonings/Sauce
  • baking powder 0.5 tsp
  • fine salt 0.5 tsp
  • vanilla extract 1 tsp
Nutrition summary
Carbohydrates 39 g 57%
Protein 3 g 4%
Fat 12 g 39%
Serving size 70g
Cooking steps
  1. 1

    Preheat the oven to 350°F and line an 8-inch square baking pan with parchment paper, leaving an overhang for easy removal.

  2. 2

    In a large bowl, combine the old-fashioned oats, flour, packed brown sugar, baking powder, and fine salt.

  3. 3

    Melt the unsalted butter in a small saucepan over low heat, then stir in the vanilla extract. Pour the wet mixture into the dry ingredients and mix until crumbly.

  4. 4

    Press about two-thirds of the dough firmly into the bottom of the prepared pan to form an even crust. Spread the jam evenly over the crust, leaving a ¼-inch border.

  5. 5

    Crumble the remaining oat mixture evenly over the jam layer, gently pressing for better adhesion. Bake for 28–32 minutes until the top is golden and the edges are set.

  6. 6

    Cool in the pan for at least 1 hour before lifting out and slicing into bars for clean edges and optimal texture.

Personalized Q&A
Q. What's the key ingredient that defines the flavor of these jam bars?
The standout ingredients are the favorite jam or preserves you choose, which adds all the fruitiness and color, paired with a buttery oat crust that delivers both structure and rich flavor. The choice of jam directly determines the bars' taste profile.
Q. What should I pay attention to during baking for the best texture?
It's crucial to bake the bars until the top is golden and edges are set, which usually takes about 28–32 minutes at 350°F. Overbaking can dry them out, while underbaking can make removing the bars messy. Cool thoroughly before cutting for neat, firm slices.
Q. How do I prevent the jam layer from soaking into the crust?
Press the bottom crust firmly and spread the jam evenly, leaving a small border. Adding the crumble topping right before baking creates a protective layer, helping to keep the jam set and the crust crisp, preventing sogginess.
Q. What are the nutrition facts per serving for these jam bars?
Each bar (70g serving) contains about 270 calories. The macronutrient split is approximately 39g carbohydrates (57% of calories), 3g protein (4%), and 12g fat (39%). These bars are a moderate treat best enjoyed in reasonable portions.
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