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Marshmallow Caramel Oreo Cookie S'Mores Bars
5 from 18 votes

Marshmallow Caramel Oreo Cookie S'Mores Bars

Marshmallow Caramel Oreo Cookie S'Mores Bars layer a chocolate Oreo cookie crust with mini marshmallows, quartered caramels, and semi-sweet chocolate chips. The no-mix crust baked briefly before topping allows for a firm base with deep chocolate flavor. Baking again melts the marshmallows and caramels into a gooey, rich topping that mimics classic s'mores flavors in a bar form.

Prep Time
10 mins
Cook Time
20 mins
Total Time
30 mins
Servings: 9
Calories: 418 kcal
Course: Baked Goods
Cuisine: American

Ingredients

For the Crust
  • 6 tablespoons butter melted (3/4 of one stick, unsalted
  • 32 Oreo cookies ground, or chocolate sandwich cookies
  • For the topping
  • 2 cups mini marshmallows
  • 15 caramels unwrapped and quartered (total of 60 small pieces)
  • 3 to 4 tablespoons chocolate chips semi-sweet

Instructions

    Cup of Yum
  1. Preheat oven to 350F. Line an 8-by-8-inch baking pan with aluminum foil leaving overhang (you must line your pan), spray with cooking spray; set aside.
  2. For the Crust - In a large microwave-safe bowl, melt the butter on high power, about 1 minute; set aside. Add the ground cookies and stir to combine (grind cookies with a food processor or place them in a sealed plastic ziplock bag and gently mash the outside of the bag with a drinking glass or roll over the bag with a rolling pin). Transfer crumb mixture to prepared pan and pack it down firmly with a spatula or the bottom of a flat-bottomed drinking glass. Bake for 10-12 minutes, or just until set; don't worry if it's a bit under-baked as pan will be going back into the oven in the next step.
  3. For the Topping - Evenly sprinkle the marshmallows over the crust. Evenly sprinkle the caramels, making sure to do it in that order. Bake for about 5 to 8 minutes or until marshmallows and caramel have begun to melt and remove pan before marshmallows start browning or developing color. Immediately upon removing pan from oven, evenly sprinkle the chocolate chips, pressing them down very lightly with a spatula if desired. The carryover heat will melt the chocolate just slightly and embed them into the melted marshmallows and caramel. Allow bars to set up for at least 2 hours before slicing; pan can be placed in the refrigerator to expedite.
  4. Slice bars by lifting them out using the foil overhang and transfer to a cutting board. Bars will keep in an airtight container at room temperature or in the refrigerator for up to one week, or in the freezer for up to 3 months.
  5. Recipe may be kept vegan by replacing the butter with margarine or Earth Balance and by using vegan marshmallows and caramels. Oreos are Accidentally Vegan. Recipe may be kept gluten-free by using a gluten-free chocolate sandwich cookie. Take care all ingredients used are suitable for your dietary needs.

Nutrition Information

Serving 1 Calories 418kcal (21%) Carbohydrates 61g (20%) Protein 3g (6%) Fat 20g (31%) Saturated Fat 9g (45%) Polyunsaturated Fat 5g (29%) Cholesterol 22mg (7%) Sodium 255mg (11%) Fiber 2g (8%) Sugar 39g (78%)

Nutrition Facts

Serving: 9 Serving

Amount Per Serving

Calories 418

% Daily Value*

Serving 1
Calories 418kcal 21%
Carbohydrates 61g 20%
Protein 3g 6%
Fat 20g 31%
Saturated Fat 9g 45%
Polyunsaturated Fat 5g 29%
Cholesterol 22mg 7%
Sodium 255mg 11%
Fiber 2g 8%
Sugar 39g 78%

* Percent Daily Values are based on a 2,000 calorie diet.