Fluffy Lemon Poppy Seed Muffins with Lemon Glaze

These easy Lemon Poppy Seed Muffins are a tasty way to start your morning! They're fluffy, flavorful, and smell amazing. Drizzle the simple lemon glaze on top for even more lemon flavor!

Along with my love of chocolate, I'm very fond of lemon treats, such as my Lemon Bars, Lemon Meringue Ice Cream Pie, or Lemon Cream Cheese Pound Cake! Still, there was one lemon treat I'd been wanting to add to my recipe collection: these lemon poppy seed muffins. They're soft, fluffy, and packed with lemon flavor!

What You Will Need

These are the ingredients I suggest for making these easy lemon poppy seed muffins. The brands listed below are my personal favorites, but feel free to use what you already have or what's easy to find where you live.

• Lemon Juice and Lemon Zest. Fresh lemons beat bottled juice for this recipe, and the zest is essential. Save the leftover juice for the lemon glaze and set the zest aside for garnish.
• Lemon Extract. Lemon extract paste works as a 1:1 swap. My favorite is from Taylor & Colledge. It's optional, but either the extract or the paste takes the lemon flavor up another notch.
• Whole Milk. Any brand of whole milk works best here. My pick is a fairly local Central PA favorite, Apple Valley Creamery. Their milk comes in glass bottles that you return when you pick up a fresh one. It brings back memories of my childhood.
• Sour Cream. Use full-fat sour cream. Pretty much any brand is a safe bet. Some of my go-tos are Daisy, Breakstone's, and the store-brand version from the grocery store.
• Poppy Seeds. I've used Nature's Promise (the organic line sold at Giant grocery stores) and Morton & Bassett.
• Powdered Sugar. This goes only into the lemon glaze. Domino Sugar, or a generic brand from your local grocery store, works just fine.

For quantities and instructions, see the recipe card below.

Swaps You Can Make

Here are two swaps you can try in this bakery-style lemon poppy seed muffin recipe.

• Sour Cream. You can replace the full-fat sour cream with full-fat plain Greek yogurt.
• Lemon Extract. Lemon extract paste can take the place of lemon extract. It adds the same amount of flavor, just in paste form. You can also brush the paste onto the muffins in place of the lemon syrup!

Keep in mind that I did not test this recipe with any other flour, sugar, or egg substitutes.

Steps for Making the Muffins

Here is a quick run-through of how to make these homemade lemon poppy seed muffins. The printable recipe card below has the full instructions, in either US customary or metric measurements.

Recipe Tip: Before starting this lemon poppy seed muffin recipe, soak the poppy seeds in warm water for at least 1 hour, or, preferably, overnight. Then drain them through a sieve before adding them to the batter. This prevents any unwanted crunch, and the soak lets their mild nutty flavor come through.

Step 1. Sift the dry ingredients together. Sift the flour, then whisk in the rest of the dry ingredients.

Step 2. Rub the sugar and lemon zest together. This really draws out the best lemon flavor in these lemon poppy seed muffins. Set aside.

Recipe Tip: Melt the unsalted butter now, before it goes into the mixture in Step 5, since it needs a minute or two to cool slightly.

Step 3. Mix the wet ingredients together. This includes the sour cream, whole milk, lemon juice, extracts, and eggs. Mix until combined, then add the sugar and zest mixture.

Step 4. Add the dry mixture. Use a spatula and stir in only about halfway.

Step 5. Add the melted butter and poppy seeds. Stir the batter only until combined. A few streaks of dry mixture are fine. Cover and refrigerate the batter for 30 to 45 minutes. After chilling, it should have a thick but airy consistency.

Step 6. Fill each muffin liner with batter, then bake. Fill them almost to the top. Bake 18-20 minutes at 400ºF. The tops should spring back when gently pressed. Let them rest in the tin for 5-10 minutes, then transfer them to a cooling rack.

Recipe Tip: For extra lemon flavor, brush a simple honey-lemon syrup over the tops of the muffins right after they bake. Whisk one tablespoon of lemon juice with one tablespoon of honey in a small bowl, then apply it with a pastry brush. I added this syrup to my Small Batch of Lemon Cupcakes as soon as they came out of the oven, and they were so good!

Step 7. Whisk together the lemon glaze. The glaze uses just two ingredients and comes together fast, so you can mix it once the muffins are done baking.

Step 8. Drizzle the glaze over each muffin. It's best to drizzle it on muffins that have cooled fully or partly. I used a spoon, but you can also dip the tops right into the glaze.

Garnish Ideas

These fluffy lemon muffins are delicious plain, but here are a few toppings and garnishes that make them extra special!

• Sparkling Sugar. Sprinkle it on before baking for a sweet, sparkly finish on your muffins.
• Lemon Syrup. Brush it on right away after the muffins leave the oven. As noted above, lemon extract paste works here too.
• Lemon Glaze. A simple two-ingredient glaze that boosts both the look and the taste.
• Lemon Zest. While you're prepping lemons for the batter, grate a little extra zest for a pretty garnish!

Storage

Keep these lemon poppy seed muffins in an airtight container for up to 3 days at room temperature or up to 5 days in the fridge. Note that storing them at room temperature or in the refrigerator can make the tops turn mushy if you've brushed on the honey-lemon syrup or lemon glaze.

These muffins also keep frozen (cooled, wrapped in plastic wrap, and stored in a freezer bag or container) for up to 3 months. To reheat from frozen, warm them in a 350ºF preheated oven for 10-12 minutes.

Top Tips

Before you start the recipe, look over these helpful tips for making the best lemon poppy seed muffins. The same tips also appear on the recipe card below.

• Soak the poppy seeds. To keep the poppy seeds from tasting crunchy in your lemon poppy seed muffins and to let their flavor fully come out, soak them in warm water for at least 1 hour, or overnight for the best results.
• Sift the flour. For fluffier lemon muffins, I strongly suggest sifting the all-purpose flour.
• Rub the lemon zest into the sugar. This really brings out the best lemon flavor in these lemon poppy seed muffins!
• Don't overmix the batter. Overmixing can give you a tougher, chewier muffin after baking. It also adds extra air to the batter, which causes holes.
• Rest the muffin batter. If you have the time, I suggest chilling your lemon poppy seed muffin batter (covered) for 30 to 45 minutes at most. If you need to, you can even let it rest overnight.
• Fill the cupcake liners to the very top. It may look like a lot, but the batter rises into a lovely dome shape on top!
• Brush on the lemon honey syrup. I didn't show this step above, but if you'd rather skip the lemon glaze, brush some lemon honey syrup over each lemon poppy seed muffin right after it comes out of the oven. I do the same with my small-batch lemon cupcakes recipe. It's easy to whisk up and adds even more lemon flavor!
• Let the muffins cool before unwrapping. Let the lemon poppy seed muffins cool slightly, or fully, before peeling off the liners so the bottoms don't stick.

Frequently Asked Questions

Soaking the poppy seeds before they go into your lemon muffin batter brings out their mild nutty taste, which pairs nicely with lemon. Soaking also keeps them from tasting too crunchy when you bite into a lemon poppy seed muffin. I suggest soaking them for at least 1 hour or, preferably, overnight.

I used a #20 yellow scoop, which holds about 3 1/4 tablespoons.

Letting the batter rest gives the flour's starches more time to soak up the moisture from the eggs and other liquids. The starches also swell, which gives the batter a stronger, thicker texture.

When I tested it, I rested the batter for 30 minutes, for 45 minutes, and overnight. I didn't notice any real difference in the height or texture of the baked muffins, which is why I recommend the 30-45 minute mark. If you need more time, though, overnight is fine too.

If you make this Lemon Poppy Seed Muffins Recipe or any other recipe on my site, please leave a star rating and let me know how it turned out in the comments below. Thanks for stopping by!