Peanut Butter and Jelly Bars Recipe — Homemade Oat Jam Squares

Healthy Peanut Butter and Jelly Bars are an ideal grab-and-go option for dessert, snacks, or even breakfast. Kid-approved and made with wholesome ingredients, they’re a satisfying choice whenever you need a quick treat.

The perfect dessert-style PB&J

A classic peanut butter and jelly instantly takes me back to childhood. Those simple sandwiches were a highlight of school lunches and a comforting favorite. Over time I moved away from PB&J as an everyday staple, but the flavor still calls to me now and then.

This time I wanted the familiar taste without a sandwich format — something more dessert-like. I experimented and landed on PB&J bars. They turned out crunchy around the edges and soft and gooey in the center. I developed this version using healthier ingredients so they work well as a wholesome dessert, snack, or quick breakfast.

These bars are easy to make, kid-friendly, and convenient for packing on the go.

Ingredients used to make peanut butter and jelly bars

The recipe centers on a peanut butter base, with jelly and chopped peanuts added as the topping.

Base:

• Natural peanut butter
• Coconut oil
• Maple syrup
• Vanilla
• Almond flour
• Baking soda
• Salt

Top layers:

• Jelly
• Chopped peanuts

Tools used to create PB&J dessert bars

You only need a few common kitchen tools:

• 8×8 baking dish
• Nonstick spray or parchment paper
• Small mixing bowl
• Large mixing bowl
• Stirring utensil

How to make healthy peanut butter and jelly bars

These PB&J bars are straightforward to prepare. You’ll make a peanut butter dough, press most of it into the pan, add a jelly layer, crumble the remaining dough on top, and finish with chopped peanuts. Prep takes about 5–10 minutes.

1. Preheat the oven to 350°F and line an 8×8 baking dish with nonstick spray or parchment paper.

2. In a small bowl, combine the peanut butter, melted coconut oil, maple syrup, and vanilla until smooth.

3. In a large bowl, whisk together the almond flour, baking soda, and salt.

4. Add the wet ingredients to the dry and stir until a cohesive peanut butter dough forms.

5. Press about two-thirds of the dough into the bottom of the prepared pan, spreading it evenly.

6. Spread a layer of jelly over the pressed dough. Crumble the remaining dough over the jelly and sprinkle with chopped peanuts.

7. Bake 30–35 minutes or until the top is golden.

8. Let the bars cool for 30 minutes, then refrigerate for at least one hour. For best results, chill 3–4 hours before cutting.

9. Slice and enjoy.

A healthier dessert bar recipe

I prioritize turning familiar treats into healthier versions. For these bars I used whole-food ingredients that make them a better alternative to highly processed baked goods.

Natural peanut butter
Choose an all-natural, drippy peanut butter that separates between uses — a sign of minimal processing. Avoid products containing hydrogenated oils, palm oil, or reduced-fat additives.

Coconut oil
Coconut oil adds healthy fats and works well in baking. Use an organic variety if possible.

Maple syrup
Maple syrup is my preferred natural sweetener for baking. It provides sweetness and flavor without refined sugar.

Almond flour
Almond flour brings richness and lowers the carb content compared with traditional wheat flour. It’s calorie-dense but nutrient-rich.

Jelly
Opt for natural or organic jelly, or use homemade jam to reduce added sugar. A simple chia jam is a good swap if you prefer making your own preserves.

Substitution options for peanut butter and jelly bars

If you need to swap ingredients, here are practical alternatives:

• Peanut butter: Any natural nut butter works well—almond, cashew, or sunflower seed butter for nut-free options.
• Coconut oil: Substitute another high-fat oil suitable for baking if needed.
• Maple syrup: Honey or molasses can replace maple syrup; adjust quantities to taste.
• Baking soda: If you’re out, use 1 1/2 teaspoons of baking powder instead.
• Jelly: Use any jam or jam flavor you prefer.

Note: Avoid changing more than one or two ingredients at once to keep the texture and flavor consistent.

Peanut butter jelly recipe tips

Quick tips to ensure success:

Pan size: You can use a different pan, but adjust baking time accordingly and watch the bars to avoid overbaking.

Extra toppings: Add chocolate chips, crushed candy, coconut flakes, or fresh fruit slices that pair with the jelly for a creative twist.

Storage: Store the bars in an airtight container in the refrigerator and enjoy within 3–4 days.

Try these PB&J recipes next!

If you like these bars, you might also enjoy these similar treats:

• Peanut Butter and Jelly Bites (Gluten-Free, Vegan)
• Walnut Butter and Strawberry Chia Jam Sandwich
• Healthier Peanut Butter and Jelly Cups

Recipe by Erin Morrissey and photos by Quarter Soul Crisis