Microwave Peanut Butter And Jam Bars
A quick, chewy peanut butter and jam bar that balances salty butter, sweet jam, and crunchy crumbs—ideal for a sweet snack or light dessert.
Ingredients
Instructions
- Combine butter, peanut butter, brown sugar, white sugar, and egg; beat well.
- Add flour and beat on low speed until mixture is crumbly.
- Reserve 1 cup of crumbs.
- Press remaining crumbs into an 8‑inch square glass baking dish.
- Place the dish on an inverted plate to elevate it in the microwave.
- Cook at Medium 6½ minutes or until the base looks dry, rotating the dish if necessary.
- Spread jam over the base to within 1/2 inch of the edge.
- Sprinkle the reserved crumbs over the jam.
- Cook at Medium 6 to 7 minutes or until the jam bubbles near the center, rotating the dish once.
- Cool before cutting into bars.
Tips & Substitutions
For a richer flavor, try using crunchy peanut butter instead of smooth. If you prefer a different fruit, swap the strawberry jam for raspberry or blueberry preserves. To ensure even cooking, make sure your baking dish is microwave-safe. Keep an eye on the cooking time, as microwaves can vary in power. These bars are reminiscent of classic American recipes and are perfect for a quick treat.
Serving Suggestions
These Peanut Butter and Jam Bars are delicious on their own but can also be served with a scoop of vanilla ice cream for an indulgent dessert. Pair them with a glass of cold milk or a warm cup of coffee for a satisfying snack. They also make a great addition to lunchboxes or picnics, alongside a fresh fruit salad or some crunchy granola.
Storage & Reheating
Store any leftover bars in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate them, where they can last up to a week. If you want to enjoy them warm, simply heat them in the microwave for 10-15 seconds before serving. This keeps the peanut butter flavor intact and adds a delightful warmth.
Nutrition & Diet Analysis (per serving)
Each serving of Microwave Peanut Butter And Jam Bars contains roughly 531 calories, with 8g protein, 71g carbohydrates, and 24g fat. It is a good source of iron (16% of the Daily Value) and protein (15% of the Daily Value).
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 natural peanut butter for this recipe?
Yes, you can use natural peanut butter, but it may alter the texture slightly. Natural peanut butter tends to be a bit runnier, so you might need to adjust the flour slightly to maintain the crumbly consistency. Just make sure to stir the natural peanut butter well before measuring.
What can I use instead of butter?
If you're looking for a dairy-free option, you can substitute the butter with coconut oil or a plant-based margarine. Both will work well, but be sure to melt the coconut oil before mixing it in. This will help achieve a similar texture and flavor in your bars.
How do I know when the bars are done cooking in the microwave?
The bars are done when the jam is bubbling near the center and the top appears set and not overly wet. Cooking times may vary depending on your microwave's wattage, so it’s a good idea to check for doneness a minute or two before the suggested time. If in doubt, let them cook a little longer, but be careful not to overcook.
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).