Rainbow Squares

Indulge in a slice of joy with these vibrant and irresistible Rainbow Squares! Perfect for celebrations or simply brightening your day, this easy dessert pairs a soft, buttery cookie base with layers of creamy, colorful frosting. Each layer is dyed with cheerful hues using food coloring, creating an eye-catching rainbow effect that’s topped off with a playful sprinkle of rainbow sprinkles. With a quick bake time of just 12–15 minutes and a creamy frosting made from cream cheese and powdered sugar, these treats seamlessly combine ease with irresistible flavor. Serve them chilled for a refreshing bite that’s as beautiful as it is delicious. This crowd-pleasing recipe is ideal for parties, potlucks, or anytime you need a burst of color and sweetness in your day!

Nutriscore Rating: 31/100

Prep Time:30 mins

Cook Time:15 mins

Total Time:45 mins

Servings: 16

Ingredients

• 1 cup unsalted butter, softened
• 1 cup granulated sugar
• 2 pieces large eggs
• 2 teaspoons vanilla extract
• 2.5 cups all-purpose flour
• 1 teaspoon baking powder
• 0.5 teaspoon salt
• 3 cups powdered sugar
• 8 ounces cream cheese, softened
• 2 tablespoons heavy cream
• 1 set food coloring, assorted colors
• 0.5 cup rainbow sprinkles

Directions

Step 1

Preheat your oven to 350°F (175°C) and line a 9x13-inch baking pan with parchment paper, leaving a slight overhang for easy removal.

Step 2

In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy, about 2-3 minutes.

Step 3

Add the eggs, one at a time, beating well after each addition. Then mix in the vanilla extract.

Step 4

In a separate bowl, whisk together the all-purpose flour, baking powder, and salt.

Step 5

Gradually add the dry ingredients to the wet ingredients, mixing until just combined to form a soft cookie dough.

Step 6

Press the dough evenly into the prepared baking pan using your fingers or the back of a spoon.

Step 7

Bake for 12-15 minutes, or until the edges are lightly golden. Allow the base to cool completely in the pan.

Step 8

While the base cools, prepare the frosting. In a medium bowl, beat together the powdered sugar, cream cheese, and heavy cream until smooth and creamy.

Step 9

Divide the frosting evenly into 4-5 small bowls and use food coloring to dye each portion a different color.

Step 10

Spread one colored frosting layer over the cooled cookie base. Repeat with the remaining colors, creating a layered rainbow effect.

Step 11

Decorate the top with rainbow sprinkles, pressing slightly to ensure they stick.

Step 12

Refrigerate the pan for at least 1 hour to set the frosting layers.

Step 13

Use the parchment paper overhang to lift the dessert from the pan and place it on a cutting board. Slice into 16 squares.

Step 14

Serve chilled or at room temperature. Store any leftovers in an airtight container in the refrigerator for up to 5 days.

Nutrition Facts

Serving size	1599.5 grams (1599.5g)

Amount per serving	% Daily Value*
Calories	6611

Total Fat 303.20g	389%
Saturated Fat 186.40g	932%
Polyunsaturated Fat 0.00g
Cholesterol 1170mg	390%
Sodium 2562mg	111%
Total Carbohydrate 924.50g	336%
Dietary Fiber 8.20g	29%
Total Sugars 676.70g
Protein 59.60g	119%

Vitamin D 80IU	400%
Calcium 378mg	29%
Iron 17mg	95%
Potassium 762mg	16%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 40.9%

Protein: 3.6%

Carbs: 55.5%