Crunchy Brownie Bars

Prep: 10 min Cook: 50 min Serves: 12 Cuisine: American

Deliciously crunchy brownie bars with a buttery oat base and rich chocolate topping, perfect for snack time or a sweet treat for friends and family.

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Ingredients

  • 1/2 cup flour
  • 1/4 teaspoon salt
  • 1/2 cup brown sugar
  • 1 box brownie mix
  • 1/4 teaspoon baking soda
  • 1 cup rolled oats
  • 1/2 cup melted margarine

Instructions

  1. Combine flour, soda, and salt; stir in oats and brown sugar. Add margarine and press mixture into the bottom of an ungreased 11 x 7-inch baking pan.
  2. Bake at 350°F for 10 minutes.
  3. While the bottom is baking, prepare the brownie mix according to package directions.
  4. Spread the brownie batter over the crunchy layer.
  5. Return the pan to the oven and bake until the brownies are set, about 40 minutes. Let cool before frosting if desired.

Tips & Substitutions

For extra flavor, consider adding chocolate chips or nuts to the brownie mix before baking. If you don’t have margarine, melted butter works as an excellent substitute. Make sure to press the oat mixture firmly into the pan; this will ensure a solid crunchy base. If you're looking for a quick dessert, this recipe is one of the Easiest Desserts In The World.

Serving Suggestions

These Crunchy Brownie Bars are delightful on their own but can be served with a scoop of vanilla ice cream for a decadent treat. Pairing them with fresh berries or a drizzle of caramel sauce adds a gourmet touch. They also make a great addition to a dessert spread alongside other American recipes.

Storage & Reheating

Store leftover brownie bars in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate them for up to a week. To reheat, place them in the microwave for about 15-20 seconds, just until warmed through, to enjoy their fudgy texture again.

Nutrition & Diet Analysis (per serving)

Each serving of Crunchy Brownie Bars contains roughly 142 calories, with 3g protein, 30g carbohydrates, and 2g fat. It is an excellent source of iron (30% of the Daily Value), and a good source of vitamin A. Note that it is relatively high in sodium, at 1040mg per serving (45% of the Daily Value).

142 kcal 7% DV
Protein Fat Carbs

Macronutrients

Protein 3.3g 7% DV
Total Fat 1.6g 2% DV
Carbs 30.2g 11% DV
Fiber 2.2g 8% DV
Sugar 10.1g 20% DV

Electrolytes

Sodium 1039.9mg 45% DV
Potassium 95.6mg 2% DV

Vitamins & Minerals

Vitamin A 154.4mcg 17% DV
Calcium 80.1mg 6% DV
Iron 5.4mg 30% DV
Diet fit 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 a different size baking pan for this recipe?

Yes, you can use a different size pan, but be sure to adjust the baking time accordingly. A smaller pan will result in thicker bars and may require a longer baking time. Conversely, a larger pan will yield thinner bars and may bake faster. Always keep an eye on them as they approach the suggested baking time.

What can I use instead of rolled oats?

If you don’t have rolled oats, you can substitute with quick oats or even crushed graham crackers for a different texture. Keep in mind that quick oats will create a softer base, while graham crackers will add a hint of sweetness and a unique crunch.

Can I freeze these brownie bars?

Absolutely! To freeze, wrap the cooled brownie bars tightly in plastic wrap and then in aluminum foil to prevent freezer burn. They can be stored this way for up to 3 months. When ready to enjoy, thaw them in the refrigerator overnight and warm slightly before serving.

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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