Blackberry Jam Bars

Prep: 10 min Cook: 15 min Serves: 12 Cuisine: American

Sweet blackberry jam bars with a buttery oat crust and crumb topping, perfect for snack time, picnics, or casual gatherings with a fruity, comforting flavor.

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Ingredients

  • 1/4 cup margarine
  • 3 tablespoons margarine
  • 1/2 cup brown sugar
  • 1 cup flour
  • 1/4 teaspoon salt
  • 1/4 teaspoon baking soda
  • 1 cup oats

Instructions

  1. Cream the margarine and brown sugar until well blended.
  2. Add salt, baking soda, and flour to the mixture and mix well.
  3. Stir in oats until combined.
  4. Press half of the mixture into the bottom of a greased baking pan to form a crust.
  5. Spread blackberry jam evenly over the crust.
  6. Sprinkle the remaining mixture over the jam as a crumb topping.
  7. Bake at 350°F (175°C) for 15 minutes or until lightly golden.

Tips & Substitutions

For a richer flavor, consider using unsalted butter instead of margarine. If you prefer a vegan option, substitute the margarine with coconut oil. You can also experiment with different types of jam, such as raspberry or strawberry, for varied flavors. Make sure to press the crust firmly for a better texture. If the mixture feels too crumbly, a splash of water can help bind it.

Serving Suggestions

These bars are delicious on their own but can be served with a dollop of whipped cream or a scoop of vanilla ice cream for added indulgence. Pair them with Brewed Tea for a delightful afternoon snack or serve at a picnic alongside Lizzy'S Grandma'S Potato Salad for a satisfying meal.

Storage & Reheating

Store any leftover Blackberry Jam Bars in an airtight container at room temperature for up to three days. For longer storage, refrigerate them for up to a week or freeze for up to three months. To reheat, place the bars in a preheated oven at 350°F (175°C) for about 5-10 minutes, or until warm.

Nutrition & Diet Analysis (per serving)

Each serving of Blackberry Jam Bars contains roughly 35 calories, with 1g protein, 7g carbohydrates, and 0g fat. Note that it is relatively high in sodium, at 994mg per serving (43% of the Daily Value).

35 kcal 2% DV
Protein Fat Carbs

Macronutrients

Protein 0.9g 2% DV
Total Fat 0.4g 1% DV
Carbs 7.1g 3% DV
Fiber 0.5g 2% DV
Sugar 3.6g 7% DV

Electrolytes

Sodium 993.6mg 43% DV
Potassium 26.7mg 1% DV

Vitamins & Minerals

Calcium 6.2mg
Iron 0.3mg 2% DV
Diet fit Keto-friendly Under 400 cal Low-fat
Contains Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use fresh blackberries instead of jam?

Yes, you can use fresh blackberries, but you will need to cook them down with some sugar to create a jam-like consistency. Simmer the blackberries with sugar until they break down and thicken, then spread it over the crust as directed.

What can I substitute for oats?

If you need a substitute for oats, you can use crushed graham crackers or almond flour for a gluten-free option. Keep in mind that the texture will change slightly, but it will still hold together well if combined properly.

How can I tell when the bars are done baking?

The Blackberry Jam Bars are done when the top is lightly golden and the edges start to pull away from the sides of the pan. A toothpick inserted in the center should come out clean or with just a few crumbs attached.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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