Introduction
The No Bake Chocolate Oatmeal Bar is a nostalgic treat that has graced kitchen counters for generations. Requiring zero oven time, these bars are the ultimate solution for a quick dessert, especially during hot weather or when you need a satisfying snack in a hurry. Often called “Preacher Cookies” or “Chocolate Drop Cookies,” this recipe originated from the need for a simple, pantry-friendly sweet that sets up perfectly on its own. Their creamy, fudgy texture combined with the hearty chew of oats makes them irresistibly addictive—a true classic that proves the simplest recipes are often the best.
Ingredients
- 1/2 cup (113g) unsalted butter
- 2 cups (400g) granulated sugar
- 1/2 cup (120ml) milk (any type)
- 1/4 cup (25g) unsweetened cocoa powder
- 1/2 cup (128g) creamy peanut butter
- 1 teaspoon (5ml) vanilla extract
- 3 cups (270g) quick-cooking oats (do not substitute with old-fashioned oats)
- Pinch of salt (optional, if using unsalted butter)
Step-by-step Preparation
- Prepare the Pan: Line a 9×13 inch (23×33 cm) baking dish with parchment paper, leaving an overhang on the sides for easy removal. Set aside.
- Start the Base Mixture: In a medium saucepan, combine the butter, granulated sugar, milk, and cocoa powder. Place the saucepan over medium heat. Stir constantly until the butter is melted and the sugar is dissolved.
- Boil and Time: Bring the mixture to a full, rolling boil—a boil that continues even when stirred. Once the rolling boil is achieved, allow the mixture to boil undisturbed for exactly 60 seconds. *Tip: Timing is crucial! Boiling too long will result in dry, crumbly bars that won’t set; boiling too short will result in bars that never fully harden.*
- Remove from Heat and Add Flavorings: Immediately remove the saucepan from the heat. Stir in the peanut butter and vanilla extract until completely smooth and melted into the chocolate mixture.
- Incorporate the Oats: Quickly pour the quick-cooking oats into the mixture. Stir vigorously until the oats are fully coated. The mixture will begin to thicken almost immediately.
- Set the Bars: Working quickly, scoop the mixture into the prepared pan. Use a spatula or the back of a spoon to press the mixture evenly across the pan.
- Cool and Slice: Allow the bars to cool completely at room temperature for about 1 hour, or place them in the refrigerator for 30 minutes to speed up the setting process. Once firm, lift the bars out using the parchment paper overhang and slice them into 18-24 squares.
Nutritional Information
While these bars are certainly a treat, they offer quick energy and some nutritional benefits from the oats. Per serving (approximately 1/24th of the batch), these bars typically contain around 150-180 calories, with approximately 3g of protein and 2g of fiber, largely derived from the quick oats. Oats are excellent sources of soluble fiber, which can help support digestive health. However, due to the high sugar and fat content, these bars are best enjoyed in moderation as a dessert or high-energy snack.
Storage
No Bake Chocolate Oatmeal Bars store exceptionally well. Once they have fully set, transfer them to an airtight container. They can be stored at cool room temperature for up to 3 days, or refrigerated for up to 1 week. Refrigeration is recommended if your kitchen is particularly warm, as heat can soften the butter and cause them to lose their structure. These bars also freeze beautifully; wrap individual bars tightly in plastic wrap and place them in a freezer bag for up to 3 months. Thaw at room temperature for 15 minutes before serving.
Conclusion
These No Bake Chocolate Oatmeal Bars are perfect served chilled alongside a tall glass of cold milk or a hot cup of coffee. Their simplicity makes them ideal for last-minute gatherings or lunchbox additions. For a fun variation, try adding a handful of shredded coconut or chopped walnuts when you add the oats. Alternatively, swap out the peanut butter for almond butter or sunflower seed butter for a different flavor profile. Enjoy the easy deliciousness of this timeless, no-fuss recipe!