Ingredients
Method
- Preheat oven to 350°F (175°C). Line pan with parchment paper.
- Beat 1 cup butter and 1 ½ cups sugar until fluffy.
- Add eggs and vanilla extract. Mix thoroughly.
- Whisk flour, baking powder, and salt separately.
- Gradually combine dry mixture into wet ingredients.
- Fold in ½ cup rainbow sprinkles gently.
- Press dough evenly into prepared pan.
- Bake 18–20 minutes until edges turn lightly golden.
- Cool completely before frosting.
- Beat ½ cup butter until creamy for frosting.
- Add powdered sugar gradually while mixing.
- Pour in heavy cream and vanilla extract. Beat until smooth.
- Spread frosting evenly over cooled bars.
- Top with 2 tablespoons sprinkles. Slice into 16 squares.
Notes
Nutritional Values (Per Serving – per bar)
Calories: 330Total Fat: 16 g
Saturated Fat: 10 g
Carbohydrates: 43 g
Fiber: 1 g
Protein: 3 g
Vitamins & Minerals (Approximate % per serving):
Vitamin A: 10%Calcium: 2%
Iron: 6%
Vitamin B12: 2%
Phosphorus: 4%
Additional Notes & Flavor Tips
- Use jimmies-style sprinkles to prevent color bleeding.
- Avoid overmixing to keep texture tender.
- Chill briefly before slicing for cleaner edges.
- Add almond extract for subtle depth.
- Store covered at room temperature up to four days.