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Desserts · Part 1 of 3: Ingredients

Raspberry Jam Oat Crumble Bars

A top-down view of raspberry jam oat crumble bars in a white rectangular baking dish on a butcher-block counter.
Prep
Cook
Total
Serves
12
Includes 20 min resting

Discover the art of effortless baking with these raspberry jam oat crumble bars. This recipe combines simple pantry staples into a sophisticated, crowd-pleasing treat that looks beautiful on any table. Whether you are hosting a casual gathering or simply craving a sweet snack, these bars offer a perfect contrast of textures that will keep everyone coming back for another piece.

These raspberry jam oat crumble bars are the definition of simple home baking. By using a single oat mixture for both the base and the topping, the preparation time is kept to a minimum while maintaining a high standard of quality. The combination of chewy, buttery oats and the tart brightness of raspberry jam creates a classic flavor profile that is both comforting and satisfying.

This recipe is designed to be straightforward, allowing you to focus on the enjoyment of the process rather than complex techniques or obscure ingredients. Each bite delivers a harmonious blend of crisp golden edges and a soft, fruit-filled center, making it a reliable choice for any occasion.

Ingredients

Makes one 9x13-inch pan · serves 12

Crust and Crumble

  • 3 cups oat crumbs

Filling

  • 1 1/2 cups raspberry jam
Contains: gluten

Why this recipe works

The method of using the same mixture for both the crust and the crumble topping ensures a cohesive flavor profile throughout the bar. By pressing the bottom layer firmly, a sturdy foundation is created that prevents the jam from leaking or making the bottom soggy, while the loose top layer provides a satisfying, crispy contrast that complements the jam's density.

Baking the bars until the jam is bubbling ensures that the fruit filling reaches the perfect consistency. This process allows the natural sugars in the jam to caramelize slightly at the edges, enhancing the flavor and creating a beautiful visual appeal.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

The surrounding oat mixture absorbs just enough moisture from the jam to remain tender without losing its structural integrity during the baking process.

Notes and substitutions

When selecting ingredients, ensure that the oats are standard rolled oats rather than instant oats to maintain the best texture in the final bake.

The oat crumbs provide the necessary structure and flavor, so using high-quality oats is essential for the best results. If you prefer a slightly more savory crust, you can add a pinch of salt to the oat mixture before pressing it into the dish.

The baking dish size is crucial for the success of this recipe. A standard 9x13-inch rectangular dish provides the ideal depth for the crust-to-jam ratio, ensuring that the bars are neither too thick nor too thin.

If you only have a smaller dish, the bars will be thicker and require a slightly longer baking time, so keep a close eye on the oven and adjust accordingly to prevent the top from becoming too dark.

  • raspberry jam: strawberry, blackberry, or apricot preserves

Equipment

  • 9x13-inch baking dish
  • spatula
  • measuring cups

Coming up in Part 2: the method

  1. Crust preparation · 1 stepPrepare the base
  2. Layering and baking · 1 stepLayer and bake
  3. Cooling and setting · 1 stepCool and serve

Up next · Part 2 of 3

3 steps · 30 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)