Easy Baked S'Mores Bars

S'mores bars on a plate.
The Spruce / Diana Rattray
Prep: 15 mins
Cook: 20 mins
Total: 35 mins
Servings: 24 servings
Yield: 24 bars
Nutrition Facts (per serving)
210 Calories
10g Fat
28g Carbs
2g Protein
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Nutrition Facts
Servings: 24
Amount per serving
Calories 210
% Daily Value*
Total Fat 10g 13%
Saturated Fat 6g 29%
Cholesterol 25mg 8%
Sodium 155mg 7%
Total Carbohydrate 28g 10%
Dietary Fiber 1g 3%
Total Sugars 18g
Protein 2g
Vitamin C 0mg 0%
Calcium 32mg 2%
Iron 1mg 5%
Potassium 65mg 1%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

These delicious bars are made with our favorite s'mores ingredients: graham crackers, milk chocolate, and miniature marshmallows. They're easy to make, and you don't need a campfire. Feel free to tailor the recipe with some chopped nuts or coconut, or use semisweet or white chocolate chips. A combination of chocolate and peanut butter would be excellent as well.

The buttery crushed graham cracker crust is topped with milk chocolate chips or plain milk chocolate bars and mini marshmallows for a delicious oven-baked s'mores treat.


  • 3/4 cup (12 tablespoons) unsalted butter, softened

  • 2/3 cup sugar

  • 1 large egg

  • 1 teaspoon pure vanilla extract

  • 18 graham crackers, crushed, about 3 cups

  • 1/2 cup all-purpose flour

  • 1/2 teaspoon salt

  • 1 1/2 cups milk chocolate chips, or 12 ounces (8) chocolate bars

  • 3 1/2 cups miniature marshmallows

Steps to Make It

  1. Gather the ingredients. Heat oven to 350 F / 180 C / Gas 4 and butter the bottom and sides of a 13 x 9-inch baking pan.

    Ingredients for S'mores bars.
    The Spruce / Diana Rattray
  2. Combine the butter and sugar; beat with electric mixer on medium speed until light and fluffy. Beat in the egg and vanilla until smooth. Stir in crushed graham crackers, flour, and salt.

    Beat together the butter and sugar, then add eggs.
    The Spruce / Diana Rattray
  3. Stir in crushed graham crackers, flour, and salt.

    Stir in the flour and graham cracker crumbs.
    The Spruce / Diana Rattray
  4. Reserve 1 cup of the graham cracker mixture and press the remaining mixture over the bottom of the prepared baking pan. Evenly sprinkle the graham cracker layer with chocolate chips, or place chocolate bars in a single layer.

    Sprinkle the graham cracker layer with chocolate chips or bars.
    The Spruce / Diana Rattray
  5. Top the chocolate layer with marshmallows.

    Sprinkle with mini marshmallows.
  6. Sprinkle the crumbled reserved graham cracker mixture over the marshmallows.

    Add the remaining graham cracker crumbles.
    The Spruce / Diana Rattray
  7. Bake the s'mores bars for 20 to 25 minutes, or until golden brown. Cool in pan on a wire rack for 10 minutes.

    Baked s'mores bars fresh from the oven.
    The Spruce / Diana Rattray
  8. Cut into bars and cool completely.

    S'mores bars cooled and cut.
    The Spruce / Diana Rattray

Recipe Variations

  • Semisweet chocolate bars or chocolate bars with nuts may be substituted for the plain milk chocolate candy bars.
  • Add 1/2 cup of finely chopped pecans to the crushed graham crackers for extra crunch.
  • Sprinkle raisins over the graham cracker layer before the chocolate.
  • Use multicolored marshmallows instead of plain white.