Funfetti Cookie Bars Recipe: Wholesome Party Treat

Soft, chewy Healthy Funfetti Cookie Bars that taste like birthday cake batter—lightened up with whole wheat pastry flour, less butter and no refined sugar for a crowd-pleasing party dessert.

It’s birthday week here—my daughter and I have birthdays two days apart—so I wanted to make something festive. These Healthy Funfetti Cookie Bars use simple, wholesome ingredients: whole wheat pastry flour for tenderness and fiber, less butter than traditional cookie bars, and no refined sugar. They come together quickly with no dough chilling required: mix, bake, cool, slice and enjoy. Kids love them, and they’re a great lighter option for parties or school celebrations.

Why You’ll Love These

• Soft and chewy texture – bakery-style centers with slightly chewy edges and a rich vanilla flavor in every bite.
• Lightened up – made with whole wheat pastry flour and reduced butter while still delivering an indulgent flavor.
• Simple and fast – no stand mixer or complicated steps; minimal prep and cleanup.
• Classic cake-batter flavor – a mix of vanilla and a touch of almond extract recreates that nostalgic funfetti taste.

Ingredients You’ll Need

• Flour – 1 1/4 cups whole wheat pastry flour, which keeps the bars soft and adds fiber while staying lighter than regular whole wheat flour.
• Baking powder – 1/2 teaspoon to give the bars a slight lift and keep them tender.
• Cane sugar – 3/4 cup, for natural sweetness and chewy edges (you can substitute coconut sugar, brown sugar or white sugar if preferred).
• Eggs – 1 whole egg plus 1 egg yolk, lightly beaten, for a rich, chewy texture.
• Butter – 1/4 cup melted unsalted butter, cooled slightly before mixing so it doesn’t cook the eggs (coconut oil can be used as an alternative).
• Milk – 3 tablespoons milk of choice (almond milk works well) to create the right batter consistency.
• Extracts – 1 teaspoon vanilla extract and 1/4 teaspoon almond extract for that classic funfetti flavor.
• Salt – 1/4 teaspoon to balance sweetness and enhance flavor.
• White chocolate chips – about 1/3 cup for creamy sweetness; use your preferred variety.
• Sprinkles – 1/3 cup rainbow jimmies-style sprinkles, which hold color well during baking and make the bars festive.

How to Make Funfetti Cookie Bars

1. Prep your pan. Preheat the oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper, leaving an overhang for easy removal.
2. Combine dry ingredients. In a large bowl, whisk together 1 1/4 cups whole wheat pastry flour, 1/2 teaspoon baking powder, 3/4 cup cane sugar and 1/4 teaspoon salt until evenly mixed.
3. Mix wet ingredients. In a separate bowl, lightly beat 1 egg plus 1 egg yolk. Add 1/4 cup melted butter (slightly cooled), 3 tablespoons milk, 1 teaspoon vanilla extract and 1/4 teaspoon almond extract. Whisk until smooth.
4. Make the batter. Pour the wet mixture into the dry ingredients and stir just until combined—the batter will be thick. Fold in 1/3 cup white chocolate chips and 1/3 cup sprinkles gently to avoid overmixing.
5. Spread into the pan. Transfer the batter into the prepared pan and use a spatula to spread it evenly, pressing gently into corners. Add a few extra sprinkles on top if desired.
6. Bake and cool. Bake 22–25 minutes, until the edges are lightly golden and a toothpick in the center comes out clean. Let the bars cool completely in the pan before lifting them out by the parchment overhang and slicing into squares.

How to Make the Best Funfetti Cookie Bars

• Do not overmix. Stir until the flour is just incorporated to keep the bars tender and prevent toughness.
• Use room-temperature eggs. They blend more evenly and help achieve a uniform texture.
• Cool the butter slightly before adding it to the eggs to prevent cooking the eggs and creating lumps.
• Line the pan with parchment. This makes removing and slicing the bars clean and easy.
• Avoid overbaking. The center may look slightly underdone when removed. It will finish setting as it cools, preserving a soft, chewy texture.
• Decorate before baking. Add a few extra sprinkles on top so the bars look bright and festive after baking.
• Get creative with shapes. Once cooled, you can cut the bars into squares or use cookie cutters for fun shapes.

Variations and Substitutions

• Seasonal sprinkles: Swap rainbow sprinkles for holiday-themed colors for birthdays, holidays or school events.
• Protein boost: Replace 1/4 cup of flour with a neutral-flavored protein powder for added protein.
• Different chips: Try milk or dark chocolate chips instead of white chocolate for a richer flavor.
• No almond extract: Omit almond extract and use an extra 1/4 teaspoon vanilla if you prefer.
• Flour swaps: If you don’t have whole wheat pastry flour, all-purpose flour or a 1-to-1 gluten-free baking flour both work.
• Add frosting: For a more indulgent treat, top cooled bars with vanilla buttercream or cream cheese frosting.
• Gluten-free option: Use a 1-to-1 gluten-free baking flour to make the recipe gluten-free.

Prepping and Storage

• To store: Keep cooled cookie bars in an airtight container at room temperature for up to 4 days, or refrigerate for up to 1 week. Tightly covered bars stay soft and chewy.
• To freeze: Freeze sliced bars in a freezer-safe container for up to 3 months. Separate layers with parchment paper to prevent sticking. Thaw overnight in the refrigerator or for a few hours at room temperature before serving.

Nutrition (per bar)

• Serving size: 1 bar
• Calories: 133 kcal
• Carbohydrates: 21.7 g
• Protein: 1.9 g
• Fat: 5.4 g
• Saturated fat: 2.8 g
• Cholesterol: 32.4 mg
• Sodium: 29.3 mg
• Fiber: 2.3 g
• Sugar: 11 g

Nutrition information is automatically calculated and should be used as an approximation.

More Bars You’ll Love

• No Bake Chocolate Chip Granola Bars
• Peanut Butter Protein Bars
• Dark Chocolate Almond Butter Bars
• Blueberry Oatmeal Breakfast Bars
• Carrot Cake Oatmeal Breakfast Bars
• Healthy Pumpkin Bars with Cream Cheese Frosting

Hope you enjoy these Healthy Funfetti Cookie Bars! If you try the recipe, leave a rating and share a photo on social media with your favorite hashtag to celebrate—these are perfect for birthdays and gatherings.