Beginnerbakes
Back to Recipes

Quick Breads

Low-Calorie Vegan Lemon Chia Seed Bars with Creamy Coconut Frosting

By Beginnerbakes Test KitchenReviewed by Beginnerbakes Editorial TeamPublished Apr 15, 2026 · Updated May 12, 2026
American 40 mins beginner-friendlyeasystep-by-stepquickno-fussvegandairy-freelow-caloriecoconut frostinglemonfruitmorning-bakesnackminimal-ingredientsparty

Easy-to-make low-calorie vegan lemon chia seed bars topped with creamy coconut frosting. Perfect for beginners, this dairy-free quick bread snack offers a moist, tangy treat ideal for morning bakes, snacks, or parties.

Low-Calorie Vegan Lemon Chia Seed Bars with Creamy Coconut Frosting
Prep 15 min
Cook 25 min
Total 40 min
Servings 12
Difficulty easy
Cuisine American

Recipe Details

Prep15 min
Cook25 min
Total40 min
Servings12
Difficultyeasy
CuisineAmerican
Add To Favorites

Ingredients

Servings 12
  • 1 cup whole wheat pastry flour
  • 1/2 cup oat flour (gluten-free if needed)
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 3 tablespoons chia seeds
  • 1/4 cup fresh lemon juice (about 2 lemons)
  • 1 tablespoon lemon zest
  • 1/3 cup unsweetened applesauce
  • 1/4 cup maple syrup
  • 1/4 cup unsweetened almond milk (or any plant-based milk)
  • 1 teaspoon vanilla extract
  • For the Frosting
  • 1/2 cup canned coconut cream (chilled overnight)
  • 2 tablespoons powdered sugar (organic preferred)
  • 1 teaspoon vanilla extract
  • 1 teaspoon fresh lemon juice

Instructions

  1. Preheat the oven to 350°F (175°C). Line an 8x8-inch square baking pan with parchment paper or lightly grease it for easy removal.
  2. In a medium bowl, whisk together whole wheat pastry flour, oat flour, baking powder, baking soda, salt, and chia seeds until combined evenly.
  3. In a separate large bowl, mix fresh lemon juice, lemon zest, applesauce, maple syrup, almond milk, and vanilla extract until smooth.
  4. Slowly fold dry ingredients into the wet mixture using a spatula or wooden spoon, mixing just until combined to maintain tenderness.
  5. Pour batter evenly into the prepared pan and smooth the surface.
  6. Bake for 22 to 25 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs.
  7. Remove from oven and let the bars cool completely in the pan on a wire rack before frosting.
  8. To prepare the frosting, scoop chilled solid coconut cream into a bowl, then add powdered sugar, vanilla extract, and lemon juice.
  9. Beat with a hand mixer or whisk until creamy and smooth. Chill 5 minutes if frosting is too soft to spread.
  10. Spread the coconut frosting evenly over cooled bars with a spatula.
  11. Cut into 12 bars and serve immediately or store airtight in the refrigerator up to 5 days.
  12. Optional: Garnish with extra lemon zest or chia seeds for a decorative touch.

Frequently Asked Questions

Reader questions and answers for this recipe will appear here.

Customize these lemon chia seed bars to meet dietary preferences or ingredient availability with these vegan swaps:

  • Flours: Use gluten-free all-purpose flour blend instead of whole wheat pastry flour for gluten-free baking. Almond or spelt flour adds nutty or whole-grain flavors.
  • Chia Seeds: Ground flaxseed works as a vegan egg replacer and moisture booster.
  • Lemon Juice and Zest: Substitute lime or orange for a citrus twist.
  • Applesauce: Use mashed banana or pumpkin puree for moisture with different taste.
  • Maple Syrup: Agave nectar or brown rice syrup are vegan-friendly sweetener alternatives.
  • Almond Milk: Any plant-based milk like oat, soy, or coconut milk keeps recipe dairy-free.
  • Coconut Cream (Frosting): Refrigerated full-fat coconut milk can substitute if coconut cream is unavailable; avoid nut milk if allergies are a concern.
  • Powdered Sugar: Organic powdered sugar is recommended; homemade powdered sugar by blending granulated sugar is also an option.

These ingredient replacements maintain the recipe’s beginner-friendly, vegan, dairy-free, gluten-free, nut-free, and low-calorie qualities while keeping bars moist and flavorful.

Equipment Needed

Having the right equipment makes baking these Low-Calorie Vegan Lemon Chia Seed Bars with Creamy Coconut Frosting simple and enjoyable for beginners. You'll need:

  • 8x8 inch Square Baking Pan: For shaping your lemon bars; line with parchment paper or grease to prevent sticking.
  • Parchment Paper: Ensures easy removal and tidy cleanup.
  • Mixing Bowls: One medium bowl for dry ingredients and a larger bowl for wet ingredients.
  • Measuring Cups and Spoons: Essential for accurate ingredient measurement.
  • Whisk or Fork: Ideal for mixing dry and wet ingredients thoroughly.
  • Spatula or Wooden Spoon: For gently folding the batter and smoothing it in the pan.
  • Hand Mixer or Whisk: Needed to whip the coconut cream frosting until smooth and creamy.
  • Cooling Rack: Allows the bars to cool evenly before frosting to avoid melting.
  • Toothpick or Cake Tester: To check the bars' doneness.
  • Refrigerator: For chilling the coconut cream overnight and setting the frosting.

With these basic tools, beginner bakers can confidently make and frost delicious vegan lemon chia seed bars with ease.

Ingredient Prep Notes

Flours: Whole wheat pastry flour creates tender texture; all-purpose flour works as a substitute. Use gluten-free oat flour if needed for gluten-free baking.

Chia Seeds: Provide texture and binding. For best results, soak in 3 tablespoons water for 5-10 minutes before use to activate gel properties.

Lemon Juice and Zest: Fresh ingredients provide bright, zesty flavor. Bottled lemon juice can be used with a slight reduction for balance. Lime zest is a nice citrus alternative.

Applesauce: Adds moisture replacing oil or butter. Mashed banana or pumpkin puree are alternative moistening options with flavor variations.

Maple Syrup: Natural sweetener that keeps bars moist and flavorful; agave nectar or coconut syrup can be used.

Plant-Based Milk: Unsweetened almond milk is default; oat, soy, or cashew milk are good substitutions. Choose unsweetened to control sugar content.

Coconut Cream (Frosting): Chill canned coconut cream overnight so the fat solidifies for creamy frosting. Vegan cream cheese or whipped aquafaba can substitute with texture differences.

Powdered Sugar: Organic powder preferred for pure sweetness. Powdered erythritol offers a lower sugar alternative.

Tips: Measure precisely, avoid overmixing to keep bars tender, and cool bars fully before frosting for best results.

Oven Note

Preheat your oven fully to 350°F (175°C) for even baking and proper rise of the lemon chia seed bars.

Place the pan in the center rack for uniform heat and browning. Avoid opening the oven door while baking to prevent heat loss that may cause sinking.

Check doneness at 22 minutes by inserting a toothpick; it should come out clean or with moist crumbs. Oven temperatures vary, so adjust timing as needed.

Cool bars completely in the pan before frosting to prevent the coconut frosting from melting and sliding, ensuring a neat finish.

Easy Upgrade Ideas

Personalize your vegan lemon chia seed bars with these simple, beginner-friendly upgrade ideas that add flavor and visual appeal:

  • Fresh Berries: Fold in blueberries or raspberries for juicy bursts.
  • Toasted Chia Seeds: Toast lightly to enhance nuttiness and crunch.
  • Toasted Coconut Flakes: Sprinkle over frosting for tropical texture and taste.
  • Frosting Variations: Add almond extract or cardamom to coconut frosting for unique flavor notes.
  • Citrus Glaze Drizzle: Drizzle a lemon glaze of powdered sugar and lemon juice over the frosted bars for extra zing and shine.
  • Edible Flowers: Decorate with colorful edible flowers like pansies for festive presentations.
  • Mini Silicone Molds: Bake individual bars in mini molds for snacks or kid-friendly treats.
  • Warm Spices: Add a pinch of ground cinnamon or ginger to the batter for cozy spice undertones.
  • Layered Bars: Create a fruit jam layer between two batter layers for fruity surprise inside.

These easy ideas keep baking approachable while boosting flavor and presentation—perfect for beginners looking to customize their bars.

Related Articles

Read related air fryer guides and cooking tips.

More Recipes

Explore more recipes you may like.

Reviews

Rate this recipe and share a photo of your result.

Sign In To Review

No reviews yet.

Newsletter

Stay In The Loop

Get fresh recipes, articles, and updates from Beginnerbakes.