Save Soft chewy Funfetti Soda Streusel Blondie Bars deliver buttery sweetness bursting with rainbow sprinkles and a hint of lemon-lime soda flavor. They're perfect for celebrations or brightening up any day with a cheerful treat.
I first made these blondie bars for my niece's birthday party, and they were the first thing to disappear from the dessert table. The playful soda twist and streusel topping always bring big smiles no matter the occasion.
Ingredients
- Unsalted butter: 1/2 cup (115 g), melted and slightly cooled
- Light brown sugar: 1 cup (200 g), packed
- Egg: 1 large
- Vanilla extract: 1 tsp
- Lemon-lime soda: 1/4 cup (60 ml), e.g. Sprite or 7UP
- All-purpose flour: 1 1/4 cups (160 g)
- Baking powder: 1/2 tsp
- Salt: 1/4 tsp
- Rainbow sprinkles: 1/2 cup (90 g)
- Granulated sugar (for streusel): 1/3 cup (70 g)
- All-purpose flour (for streusel): 1/4 cup (30 g)
- Unsalted butter (for streusel): 2 tbsp (30 g), melted
- Lemon-lime soda (for streusel): 1 tbsp (15 ml)
- Pinch of salt (for streusel):
- Rainbow sprinkles (for streusel): 2 tbsp (20 g)
Instructions
- Preheat Oven:
- Preheat oven to 350°F (175°C). Line an 8x8-inch (20x20 cm) baking pan with parchment paper leaving an overhang for easy removal.
- Mix Blondie Batter:
- In a medium bowl whisk together melted butter and brown sugar until smooth. Add egg and vanilla extract and whisk until combined.
- Add Soda:
- Stir in the lemon-lime soda.
- Combine Dry Ingredients:
- In a separate bowl whisk together flour baking powder and salt. Gradually fold dry ingredients into wet mixture until just combined. Do not overmix.
- Add Sprinkles:
- Gently fold in the rainbow sprinkles.
- Spread Batter:
- Spread batter evenly into the prepared pan.
- Make Streusel:
- In a small bowl combine granulated sugar flour melted butter lemon-lime soda and pinch of salt and mix with a fork until crumbly. Stir in sprinkles.
- Add Streusel:
- Sprinkle streusel evenly over blondie batter.
- Bake:
- Bake for 26–28 minutes until edges are set and a toothpick inserted in center comes out with a few moist crumbs.
- Cool and Slice:
- Allow to cool completely in pan on a wire rack. Lift out with parchment and cut into 16 bars.
Save These blondies have become our family's go-to for colorful classroom treats and weekend baking. Kids love helping with the sprinkles and always claim the corner pieces for themselves.
Required Tools
8x8-inch (20x20 cm) baking pan mixing bowls whisk spatula measuring cups and spoons parchment paper
Allergen Information
Recipe contains wheat (gluten) eggs and dairy. Sprinkle brands sometimes include soy or nut traces.
Nutritional Information
Per serving: Calories 185 Total Fat 7 g Carbohydrates 29 g Protein 2 g
Save Cut the blondies with a plastic knife for neater edges and enjoy them with a scoop of vanilla ice cream for an extra treat.
Recipe FAQ
- → What makes the bars extra chewy?
The melted butter and brown sugar provide a soft, chewy texture, accentuated by a touch of soda in the mix.
- → Can I substitute the lemon-lime soda?
Yes, orange soda works well for a twist, or try club soda for a milder flavor profile.
- → Are these bars suitable for vegetarians?
All ingredients used, including butter and eggs, make these bars vegetarian-friendly. Check sprinkle labels if allergies are a concern.
- → How do I know when blondies are baked?
When the edges are set and a toothpick inserted in the center comes out with a few moist crumbs, they’re ready.
- → Can I add extra flavors?
Lemon zest adds brightness, or swap different sprinkle varieties for personalized color themes.
- → Is it necessary to use parchment paper?
Parchment paper helps lift the bars easily and prevents sticking, making serving and clean-up simpler.