Indulge in the timeless classic that is Boston Cooking School Brownies—a recipe steeped in history and brimming with rich, chocolatey goodness. These fudgy brownies start with unsweetened chocolate melted with butter for an intense cocoa flavor that pairs perfectly with just a touch of vanilla. With only a handful of simple ingredients, this easy-to-follow recipe comes together in just 15 minutes of prep time and bakes to perfection in 25 minutes. The optional addition of chopped nuts provides a satisfying crunch, making each bite irresistibly delightful. Whether you’re serving these nostalgic treats for a weeknight dessert or a special occasion, their dense, moist texture and rich flavor are sure to impress. Perfectly portioned into 9 squares, these brownies are as easy to share as they are to devour. Classic brownie recipes, bake-from-scratch desserts, and fudgy homemade brownies have never been this crowd-pleasing!
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Preheat the oven to 350°F (175°C). Grease an 8-inch square baking pan and set aside.
Melt the unsweetened chocolate and butter together in a small saucepan over low heat, stirring frequently. Remove from heat and let cool slightly.
In a medium mixing bowl, combine the granulated sugar with the melted chocolate mixture. Stir until well blended.
Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract.
Fold in the all-purpose flour until just combined. Be careful not to overmix; the batter should be smooth and thick.
If using, gently fold in the chopped nuts for additional texture and flavor.
Pour the batter into the prepared baking pan and spread it evenly with a spatula.
Bake in the preheated oven for 25 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (do not overbake for a fudgy texture).
Remove the pan from the oven and place it on a wire rack to cool completely before cutting into squares.
Cut the brownies into 9 even pieces and serve. Enjoy!
Serving size | (532.9g) |
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Amount per serving | % Daily Value* |
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Calories | 2208.0 |
Total Fat 113.6g | 0% |
Saturated Fat 47.7g | 0% |
Polyunsaturated Fat 1.4g | |
Cholesterol 503.6mg | 0% |
Sodium 450.4mg | 0% |
Total Carbohydrate 285.6g | 0% |
Dietary Fiber 20.9g | 0% |
Total Sugars 203.7g | |
Protein 36.9g | 0% |
Vitamin D 91.0IU | 0% |
Calcium 187.8mg | 0% |
Iron 16.6mg | 0% |
Potassium 1068.8mg | 0% |
Source of Calories