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three jam bars stacked, sitting on a base of oats.

Easy Jam Bars

These delicious and easy to prepare Jam Bars are going to be your new favourite recipe. They're so simple! The base and topping are made from the same mixture and are filled with a delicious jam of your choice. Try them today!
Course Afternoon Tea, Dessert, Morning Tea
Cuisine International
Prep Time 10 minutes
Cook Time 20 minutes
Cooling Time 1 hour
Total Time 1 hour 30 minutes
Servings 9 squares
Calories 315kcal
Author Alexandra


  • 1 cup (150 g) all purpose/plain flour See Note 1
  • 1 cup (80 g) rolled oats See Note 2
  • 1 cup jam or preserves See Note 3
  • ½ cup (125 g) butter, melted
  • cup (70 g) brown sugar
  • 3 teaspoon vanilla extract
  • 1 teaspoon salt
  • ½ teaspoon baking/bicarb soda
  • oil spray


  • Preheat your oven to 175 Degrees C (350F).
  • Line a 20x20cm (8x8 inch) pan with baking paper. (Allow an overhang - it makes it easier when removing the slice!) Coat the baking paper with some oil spray.
  • In one bowl, combine all of the dry ingredients, except for the sugar. Mix well.
  • Melt your butter. Add this to another bowl, and combine with the vanilla and brown sugar.
  • Combine the contents of both bowls, and mix well.
  • Firmly press about ¾ of the mixture into the tin. (You'll need to reserve about 100g/a firmly packed ½ cup of mixture).
    Bake for 10 minutes.
  • Remove from the oven, and immediately spread over your jam.
    Crumble the remaining mixture, using your fingers, over the top of the jam.
  • Return to the oven, and bake for a further 10 minutes, or until the topping is cooked through.
  • Remove the slice from the oven, and allow to cool for 30 minutes on your bench.
  • Put the slice in the fridge, and chill for a further 30 minutes.
    Remove the slice from the tin, and cut the slice into squares, and enjoy!



  1. Use a gluten-free all-purpose/plain flour if you require. (This has been tested, and works perfectly)
  2. Use gluten-free oats if required. 
  3. Any jam/preserve can be used in this recipe. If your jam is quite thick, give it a quick stir in a bowl before spreading over the base.
  4. For the most accurate measurements when baking, we suggest you weigh your ingredients.
  5. When measuring flour, use the spoon and level method. Firmly compacting the flour by scooping the cup into it can cause your measurements to be inaccurate.
  6. The serving size and nutritional information is based on the bars being cut into 9 and one being enjoyed as a serving.
  7. The Jam Bars really need to chill before cutting, otherwise, they will fall apart. 


Calories: 315kcal | Carbohydrates: 51g | Protein: 3g | Fat: 11g | Saturated Fat: 2g | Sodium: 453mg | Potassium: 93mg | Fiber: 2g | Sugar: 27g | Calcium: 25mg | Iron: 1mg