M & M'S Fudge-Filled Bars

Prep: 15 min Cook: 30 min Serves: 50 Cuisine: American

Decadent fudge-filled bars combining chewy oats, crunchy nuts, and sweet candies, all coated in rich chocolate. Perfect for parties, potlucks, or satisfying a sweet tooth craving.

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Ingredients

Instructions

  1. Preheat oven to 375 degrees Fahrenheit.
  2. Grease a jelly roll pan measuring 15 1/2 x 10 1/2 x 1 inch.
  3. Mix oats, flour, nuts, brown sugar, baking soda, and salt in a large bowl.
  4. Stir in margarine until the mixture resembles coarse crumbs.
  5. Reserve 1 1/2 cups of the crumbly mixture.
  6. Press the remaining crumbly mixture into the prepared pan.
  7. Bake for 10 minutes.
  8. In a 1-quart saucepan, melt shortening over low heat.
  9. Stir in 1 cup of candies; press candies with the back of a spoon until they break into pieces.
  10. Cook and stir until the candy coating melts; remove from heat and stir in condensed milk.
  11. Spread the chocolate mixture over the baked layer, leaving 1/2 inch border around the edges.
  12. Mix the reserved crumbly mixture and remaining candies.
  13. Sprinkle evenly over the chocolate layer and press lightly.
  14. Bake until golden brown, about 20 minutes, then cool.
  15. Cut into bars approximately 2 1/4 x 1 1/2 inches.

Tips & Substitutions

For a richer flavor, try adding a teaspoon of vanilla extract to the chocolate mixture. If you want to make the bars gluten-free, substitute the all-purpose flour with almond flour or a gluten-free flour blend. You can also swap out the nuts for seeds or dried fruit to cater to different dietary needs. Adjust the sweetness by using semi-sweet chocolate instead of candies for a more intense chocolate flavor.

Serving Suggestions

These fudge-filled bars are perfect for a sweet treat any time of day. Serve them warm with a scoop of vanilla ice cream for a decadent dessert. They also pair beautifully with a cup of coffee or tea, making them an ideal snack for afternoon gatherings. For a fun twist, serve alongside Aunt Nell'S Famous Cheese Straws for a sweet and savory platter.

Storage & Reheating

Store leftover bars in an airtight container at room temperature for up to one week. For longer storage, refrigerate them, which can help maintain their texture. If they become too hard, simply let them sit at room temperature for a few minutes before serving. They can also be frozen for up to three months; just wrap them tightly in plastic wrap and foil.

Nutrition & Diet Analysis (per serving)

Each serving of M & M'S Fudge-Filled Bars contains roughly 4 calories, with 0g protein, 0g carbohydrates, and 0g fat.

4 kcal
Protein Fat Carbs

Macronutrients

Protein 0.1g
Total Fat 0.3g
Carbs 0.4g
Fiber 0g
Sugar 0.2g

Electrolytes

Sodium 67.2mg 3% DV
Potassium 2.1mg
Cholesterol 0mg

Vitamins & Minerals

Vitamin A 0.1mcg
Calcium 0.6mg
Iron 0mg
Diet fit Keto-friendly Under 400 cal
Contains Milk 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 different types of candies in this recipe?

Absolutely! Feel free to mix and match your favorite candies to customize the flavor. M&M's can be substituted with chocolate chips, chopped Reese's cups, or even chopped dried fruits for a different taste. Just ensure the total amount remains roughly the same for the best texture.

How can I tell when the bars are done baking?

The bars are done when they are golden brown on top and a toothpick inserted into the center comes out with a few moist crumbs. Keep an eye on them, especially during the last few minutes of baking, to avoid overbaking, which can lead to a dry texture.

Can I make these bars ahead of time?

Yes, you can prepare these fudge-filled bars a day in advance. Just bake, cool, and store them in an airtight container. They often taste even better after a day, as the flavors have time to meld. Just remember to let them come to room temperature before serving for the best texture.

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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