Peanut Butter Cookie Bars(Microwave)
Chewy peanut butter cookie bars with a wholesome oat and bran base, perfect for a quick microwave treat that appeals to peanut butter lovers and busy bakers alike.
Ingredients
Instructions
- Place butter in microwave-safe bowl; cover with waxed paper. Microwave on High for 45 seconds.
- Beat in brown sugar, sugar, vanilla, peanut butter, and beaten eggs until well combined.
- Combine flour, bran, rolled oats, and baking soda in a separate bowl.
- Stir the dry ingredients into the butter mixture until evenly mixed.
- Press half of the dough into an 8 x 8-inch microwave-safe dish.
- Shield the corners with foil to prevent overcooking.
- Microwave on High for 4 to 5 minutes, turning the dish a quarter turn every minute.
- Allow to cool before cutting into bars.
- Repeat with the remaining dough.
Tips & Substitutions
For a richer flavor, use unsalted butter and natural peanut butter. You can substitute half of the white sugar with honey or maple syrup for a different sweetness profile. If you don’t have bran, consider using whole wheat flour instead. Ensure to check the bars frequently while microwaving, as cooking times can vary based on microwave wattage.
Serving Suggestions
These peanut butter cookie bars are delicious on their own, but can also be served with a scoop of vanilla ice cream for an indulgent treat. They pair wonderfully with a glass of cold milk or a warm cup of coffee. For a fun twist, try crumbling them over yogurt or serve alongside FAST PEACH COBBLER for a delightful dessert spread.
Storage & Reheating
Store leftover peanut butter cookie bars in an airtight container at room temperature for up to 5 days. For longer storage, you can refrigerate them for up to 2 weeks or freeze for up to 3 months. To reheat, microwave a single bar on low for 10-15 seconds until warm.
Nutrition & Diet Analysis (per serving)
Each serving of Peanut Butter Cookie Bars(Microwave) contains roughly 343 calories, with 8g protein, 54g carbohydrates, and 10g fat. It is an excellent source of iron (49% of the Daily Value) and dietary fiber (21% of the Daily Value), and a good source of protein and vitamin A. Note that it is relatively high in sodium, at 526mg per serving (23% 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 make these cookie bars gluten-free?
Yes, you can make these cookie bars gluten-free by substituting the all-purpose flour with a gluten-free flour blend. Ensure that the bran and oats are certified gluten-free as well to avoid cross-contamination.
What can I add to the cookie bars for extra flavor?
Consider adding chocolate chips, chopped nuts, or dried fruits like cranberries or raisins to enhance the flavor and texture of the bars. Just fold them in during the mixing stage for a delicious twist.
Is it necessary to shield the corners with foil?
Shielding the corners with foil helps prevent them from overcooking and becoming hard while the center finishes cooking. It's particularly important in microwave cooking, where heat distribution can be uneven.
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).