Ingredients

For the Muffin Batter (The Foundation of Flavor and Texture):

All-Purpose Flour: 2 ½ cups. All-purpose flour provides the ideal structure for a tender yet sturdy muffin. It’s crucial to measure it correctly using the “spoon and level” method to avoid a dense, dry result.
Granulated Sugar: 1 cup. Provides the primary sweetness and contributes to a tender texture and golden-brown crust.
Light Brown Sugar: ¼ cup, packed. The molasses in brown sugar adds a wonderful depth of flavor and, importantly, extra moisture that keeps the muffins fresh.
Baking Powder: 2 ½ teaspoons. This is the primary leavening agent and the secret to achieving those tall, proud muffin domes. Ensure your baking powder is fresh for the best lift.
Baking Soda: ½ teaspoon. This works in tandem with the acidic ingredient (buttermilk or yogurt) to provide an extra boost of leavening and to create a more tender crumb.
Salt: ¾ teaspoon. Salt is a crucial flavor enhancer. It doesn’t make the muffins salty, but it balances the sweetness and makes all the other flavors, including the blueberry and vanilla, taste more vibrant.
Ground Cinnamon: ½ teaspoon. A subtle hint of cinnamon beautifully complements the blueberry flavor without overpowering it.
Large Eggs: 2, at room temperature. Room temperature eggs emulsify more easily into the batter, creating a smoother, more uniform texture.
Vegetable Oil: ½ cup. Using a neutral-flavored oil (like canola or grapeseed) instead of butter is the key to an incredibly and reliably moist muffin that doesn’t dry out.
Plain Yogurt or Buttermilk: 1 cup, at room temperature. The acidity in yogurt or buttermilk reacts with the baking soda for extra lift and creates an exceptionally tender crumb. Full-fat versions will yield the richest result.
Vanilla Extract: 1 tablespoon. Use pure vanilla extract for a rich, aromatic flavor that permeates every bite.
Blueberries: 1 ½ cups, fresh or frozen. If using frozen blueberries, do not thaw them first.

For the Crunchy Sugar Topping:

Turbinado Sugar (or Coarse Sanding Sugar): 2-3 tablespoons, for sprinkling. This is the secret to that irresistible, crunchy, bakery-style muffin top.

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Instructions

Step 1: Preheat and Prepare

First, position a rack in the upper third of your oven. This placement helps the muffin tops get the initial blast of heat they need for a good rise. Preheat the oven to 425°F (220°C). We will start baking at a high temperature and then reduce it. This initial high heat is a crucial secret to achieving tall, domed muffin tops.

Line a standard 12-cup muffin tin with paper liners. If you don’t have liners, you can grease and flour each cup very well, but liners make for easy removal and cleanup.

Step 2: Prepare the Blueberries

Place your 1 ½ cups of blueberries (fresh or frozen) in a small bowl. Take 1 tablespoon of the measured all-purpose flour from your dry ingredients and toss it with the berries until they are lightly coated. This simple step is incredibly important: it helps to suspend the berries within the batter, preventing them all from sinking to the bottom of the muffins as they bake. If using frozen berries, this also helps to absorb some of the excess moisture and prevent the batter from turning completely purple.

Step 3: Combine the Dry Ingredients

In a large mixing bowl, add the remaining all-purpose flour, the granulated sugar, packed light brown sugar, baking powder, baking soda, salt, and ground cinnamon. Use a large whisk to stir everything together for about 30 seconds. This step is more than just mixing; it aerates the flour and ensures that the leavening agents (baking powder and soda) and spices are perfectly and evenly distributed throughout the dry ingredients. This guarantees a consistent rise and flavor in every muffin.

Step 4: Combine the Wet Ingredients

In a separate, medium-sized bowl, combine all of the wet ingredients. Add the two room-temperature eggs and lightly beat them with a fork. Pour in the vegetable oil, the room-temperature yogurt or buttermilk, and the pure vanilla extract. Whisk these ingredients together until the mixture is smooth and fully combined.

Step 5: The Muffin Method – Combine Wet and Dry (Gently!)

Pour the mixture of wet ingredients all at once into the large bowl containing the dry ingredients. Now, using a rubber spatula or a wooden spoon, gently fold the ingredients together until they are just combined. This is the single most important step in muffin making. You should stop mixing the moment you no longer see large, distinct streaks of dry flour. The batter will be thick, and a few small lumps are perfectly fine and, in fact, desirable. Do not be tempted to beat the batter until it is smooth. Overmixing will develop the gluten in the flour, resulting in muffins that are tough, dense, and chewy instead of light, tender, and fluffy.

Step 6: Fold in the Blueberries and Rest the Batter

Gently fold the flour-coated blueberries into the batter. Use your spatula to fold just a few times, until the berries are evenly distributed. Be very careful not to overmix at this stage.

For the best possible result and the tallest muffin domes, cover the bowl and let the batter rest at room temperature for 15-20 minutes. This allows the flour to fully hydrate and the gluten to relax, which contributes to a more tender crumb and a better rise in the oven. This is an optional but highly effective step.

Step 7: Fill the Muffin Tin and Bake

Using a large spoon or an ice cream scoop for even portioning, divide the batter evenly among the 12 prepared muffin cups. The batter should fill each liner nearly to the top.

Sprinkle the top of each muffin generously with the turbinado or coarse sanding sugar. This will create that signature crunchy, sparkling bakery-style crust.

Place the muffin tin on the upper-third rack in your preheated 425°F (220°C) oven. Bake at this high temperature for 5 minutes. Then, keeping the muffins in the oven, reduce the oven temperature to 375°F (190°C). Continue to bake for another 15 to 20 minutes.

The muffins are done when they are golden brown and a wooden skewer or a toothpick inserted into the center of a muffin comes out clean or with a few moist crumbs attached (but no wet batter).

Step 8: Cool and Enjoy

Once baked, carefully remove the muffin tin from the oven and place it on a wire cooling rack. Let the muffins cool in the tin for 5 to 10 minutes. This allows them to set up slightly so they won’t fall apart when you remove them.

After the initial cooling period, carefully remove the muffins from the tin and place them directly on the wire rack to cool completely. Allowing them to cool completely out of the pan prevents the bottoms from becoming damp and soggy from trapped steam. While a warm muffin is a true delight, they are best enjoyed once they have cooled for at least 30 minutes.

Nutrition

Serving Size: one normal portion
Calories: 280 to 330