Microwave Chocolate Chip Bars

Prep: 10 min Cook: 7 min Serves: 24 Cuisine: American

These quick and indulgent microwave chocolate chip bars combine rich chocolate and a buttery crumbly texture, perfect for satisfying sweet cravings. They are ideal for busy families, quick snacks, or casual gatherings, offering a warm, gooey treat that can be made in minutes with minimal effort.

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Ingredients

  • 1/2 cup butter, softened
  • 3/4 cup brown sugar, packed
  • 1 egg
  • 1 tablespoon milk
  • 1 teaspoon vanilla
  • 1 1/4 cups all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/8 teaspoon salt
  • 1 cup chocolate pieces
  • 1/2 cup chopped nuts (optional)

Instructions

  1. In a small mixing bowl, cream together butter and brown sugar until fluffy.
  2. Add egg, milk, and vanilla; mix well.
  3. Stir together flour, baking powder, and salt.
  4. Add the dry ingredients to the creamed mixture and blend well.
  5. Stir in 1/2 cup chocolate pieces and chopped nuts (if using).
  6. Spread the mixture in a paper towel-lined 8-inch square dish.
  7. Sprinkle with the remaining 1/2 cup chocolate pieces on top.
  8. Microwave on High for 5 to 7 minutes, rotating the dish 1/4 turn every 2 minutes until done.
  9. Allow to cool before cutting into 24 bars.

Tips & Substitutions

For a richer flavor, consider using brown butter instead of regular softened butter. If you're out of chocolate pieces, you can substitute with chocolate chips or even a chopped chocolate bar. To enhance the taste, add a pinch of cinnamon or a splash of espresso powder. Make sure to use a microwave-safe dish to avoid mishaps while cooking.

Serving Suggestions

These chocolate chip bars make a delightful snack on their own or can be served with a scoop of vanilla ice cream for a decadent dessert. They pair beautifully with a cup of coffee or milk. For a twist, serve them alongside Aunt Shelli'S Cranberry-Pear Crisp for a variety of flavors.

Storage & Reheating

Store leftover chocolate chip bars in an airtight container at room temperature for up to 5 days. For longer storage, refrigerate them, where they can last for up to a week. If you want to enjoy them warm, simply microwave individual bars for about 10-15 seconds until heated through.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Chocolate Chip Bars contains roughly 167 calories, with 2g protein, 15g carbohydrates, and 11g fat.

167 kcal 8% DV
Protein Fat Carbs

Macronutrients

Protein 1.7g 3% DV
Total Fat 10.5g 14% DV
Carbs 15g 5% DV
Fiber 0.4g 1% DV
Sugar 1g 2% DV

Electrolytes

Sodium 385mg 17% DV
Potassium 46.5mg 1% DV
Cholesterol 42.9mg 14% DV

Vitamins & Minerals

Vitamin A 3.2mcg
Vitamin C 0mg
Calcium 58.5mg 5% DV
Iron 0.8mg 4% DV
Diet fit Low-carb Under 400 cal
Contains Milk Egg 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 type of sugar?

Yes, you can substitute granulated sugar for brown sugar, but the bars may be a bit less moist. Alternatively, coconut sugar can provide a unique flavor while still keeping the recipe relatively healthy.

What if I don’t have a microwave-safe dish?

If you don't have a microwave-safe dish, you can use a glass or ceramic dish labeled as microwave-safe. Alternatively, bake the batter in a conventional oven at 350°F for about 20-25 minutes or until a toothpick comes out clean.

Can I make these bars gluten-free?

Absolutely! You can substitute the all-purpose flour with a gluten-free flour blend. Just make sure the blend contains xanthan gum or add it separately to help with texture. The bars will turn out just as delicious!

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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