3-Ingredient Lemon Bars: The Shortcut Dessert That Disappears Every Time

These Lemon Bars are the ultimate crowd-pleaser—tangy, sweet, and melt-in-your-mouth tender. Made with just three simple ingredients and zero fuss, they are the perfect solution for when you need a impressive dessert but don’t have the time (or energy) for a complicated recipe.

No mixer, no fancy tools, no stress. Just stir, bake, and dust with powdered sugar for a dessert that looks (and tastes) like you spent hours in the kitchen.

Perfect for potlucks, last-minute guests, or treating yourself after a long day.

Why You’ll Love This Recipe

🍋 Only 3 Ingredients: Uses pantry staples you likely already have.
⏱️ Fast & Easy: 10 minutes prep, 25–30 minutes bake.
💛 Minimal Cleanup: One bowl + one pan = less washing up.
💸 Budget-Friendly: Costs under $6 and feeds 9–12 people generously.
🌾 Dietary Friendly: Naturally nut-free and easily made gluten-free (see tips below).

Ingredients You’ll Need

(For an 8x8-inch baking dish)

1 Box (14–15 oz) Yellow Cake Mix: Do not prepare the cake mix according to the box instructions. You will use it dry. Note: For gluten-free bars, use a certified gluten-free yellow cake mix.
1 Can (14 oz) Sweetened Condensed Milk: Not evaporated milk! Ensure it is sweetened condensed milk.
½ Cup Lemon Juice: Freshly squeezed is best for bright flavor, but bottled lemon juice works in a pinch. (About 3–4 large lemons).

Optional:

Powdered Sugar: For dusting on top before serving.
Zest: From 1 lemon, for extra aroma and visual appeal.

💡 Pro Tip: Do not add eggs, oil, or water to the cake mix. The sweetened condensed milk provides all the moisture, binding, and sweetness needed. Adding extra liquid will make the bars soupy.