Microwave Lemon Bars

Prep: 10 min Cook: 12 min Serves: 9 Cuisine: American

These microwave lemon bars offer a tangy, sweet treat with a buttery crust and zesty lemon filling, perfect for quick dessert cravings or entertaining guests.

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Ingredients

  • 1/2 cup butter
  • 1 cup flour
  • 1/4 cup powdered sugar
  • 3 eggs
  • 2 tablespoons lemon juice
  • 1 teaspoon lemon rind
  • 1/2 teaspoon baking powder
  • 1 cup sugar

Instructions

  1. Combine butter, 1 cup flour, and powdered sugar and cut into fine crumbs with a fork.
  2. Press the mixture into the bottom of a 9-inch square pan.
  3. Microwave on High for 3 to 4 minutes or until the surface looks dull.
  4. Mix eggs, lemon juice, lemon rind, baking powder, sugar, and remaining flour.
  5. Pour the lemon mixture over the baked crust.
  6. Cover with plastic wrap and microwave on 70% power for 5 to 7 minutes or until set, about 1 inch from the center.
  7. Cool, covered, on the countertop.
  8. Sprinkle the top with powdered sugar and cut into bars.

Tips & Substitutions

For best results, use fresh lemons for juice and zest to enhance the flavor of your lemon bars. If you're out of powdered sugar, you can quickly blend granulated sugar in a blender until fine. If you prefer a thicker crust, increase the butter and flour slightly. This recipe is a great introduction to microwave desserts, similar to the Cold Oven Pound Cake.

Serving Suggestions

These lemon bars are delightful when served chilled, dusted with powdered sugar. For an added touch, consider pairing them with fresh berries or a scoop of vanilla ice cream. They make a refreshing dessert alongside a cup of tea or coffee. They also pair beautifully with the Pineapple Cheese Cake Squares for a delicious dessert platter.

Storage & Reheating

Store leftover lemon bars in an airtight container in the refrigerator for up to a week. For longer storage, you can freeze them for up to three months. To reheat, simply microwave for a few seconds until slightly warm, but be careful not to overheat as it may change the texture.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Lemon Bars contains roughly 352 calories, with 2g protein, 25g carbohydrates, and 28g fat. It is a good source of calcium (13% of the Daily Value) and vitamin C (11% of the Daily Value).

352 kcal 18% DV
Protein Fat Carbs

Macronutrients

Protein 1.8g 4% DV
Total Fat 27.9g 36% DV
Carbs 24.9g 9% DV
Fiber 1.2g 4% DV
Sugar 3.5g 7% DV

Electrolytes

Sodium 264.1mg 11% DV
Potassium 164.7mg 4% DV
Cholesterol 124.2mg 41% DV

Vitamins & Minerals

Vitamin A 10.5mcg 1% DV
Vitamin C 9.8mg 11% DV
Calcium 162.8mg 13% DV
Iron 0.7mg 4% DV
Diet fit Under 400 cal
Contains Milk Egg Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use bottled lemon juice instead of fresh?

While fresh lemon juice provides the best flavor, you can use bottled lemon juice in a pinch. Just be aware that the taste may be slightly less vibrant. Aim for a high-quality brand to maintain the lemony essence of the bars.

What if my lemon bars don't set properly?

If your lemon bars don't set after microwaving, try microwaving them for an additional minute or two. Ensure you cover them properly to trap steam, which aids in cooking. If they’re still not set, they may need to cool completely before firming up.

Can I make these lemon bars gluten-free?

Yes, you can easily make these lemon bars gluten-free by substituting the all-purpose flour with a gluten-free flour blend. Ensure the blend contains xanthan gum or add a small amount to help with texture. This way, everyone can enjoy this delicious treat!

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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