Milk Chocolate Mocha Blondies
Total Time
3 hours (includes cooling)
Prep Time
10 minutes
Cook Time
32 minutes
Rating
4.8 out of 5 stars
(40)
Ingredients
16 blondies
- 2 cups (250g) all-purpose flour (spooned & leveled)
- 1 teaspoon baking powder
- 1/2 teaspoon salt
- 14 Tablespoons (196g) unsalted butter, melted + slightly cooled
- 3 or 4 teaspoons espresso powder
- 1 and 1/2 cups (300g) packed light or dark brown sugar
- 1 large egg + 1 egg yolk, at room temperature
- 1 Tablespoon pure vanilla extract
- 8 ounces milk chocolate (discs, chopped bars, or chips)
- 1/2 teaspoon espresso powder
- 1 Tablespoon warm water
- 3/4 cup (90g) confectioners’ sugar
- 1 Tablespoon milk or heavy cream
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Preparation
Chef’s notes
Freezing Instructions:
It’s easiest to freeze the bars without the glaze topping, then glaze before serving. To freeze, cool blondies completely. Cut into squares and layer between sheets of parchment paper in a freezer-friendly container. Freeze up to 3 months. Thaw overnight in the refrigerator then bring to room temperature before glazing and serving.
Special Tools:
9-inch Square Pan | Parchment Paper | Glass Mixing Bowl | Whisk | Silicone Spatula
Butter:
You need 1 cup minus 2 Tbsp of butter. I typically use 1 cup (16 Tbsp) in my blondies, but reduced it down to 14 Tbsp here. With 1 cup, the blondies can sometimes taste greasy.
Espresso Powder:
Espresso powder is like instant espresso. You can find it in the coffee aisle or purchase it online. Use it in both the blondie batter and glaze. Use 4 teaspoons (recommended) in the blondie batter for rich coffee flavor or 3 teaspoons (1 Tablespoon) for a milder flavor. You can substitute instant coffee granules (not ground coffee) if needed. If using instant coffee, I recommend using 4 and 1/2 teaspoons in the blondie batter and for the glaze, use 1 teaspoon dissolved in 1 Tablespoon warm water.
Milk Chocolate:
I used Guittard Organic Milk Chocolate Baking Wafers in the pictured blondies. I found them at my regular grocery store. Feel free to use milk chocolate chips or chopped Hershey’s bars. Instead of milk chocolate, use the same amount of white chocolate, semi-sweet chocolate, or dark chocolate. Chips, chunks, wafers, or 2 chopped 4-ounce bars.
Best Pan to Use:
A 9-inch square pan is best. An 8-inch square pan is a little too small. You can spread the batter into a 9×13-inch pan for thinner blondies. Do your best to spread the batter to each edge of the pan. Bake time is around 28-30 minutes.