You Will Need
1 1/2 cups (195 grams) all-purpose flour
3/4 cup (150 grams) granulated sugar, plus 1 tablespoon for muffin tops
1/2 teaspoon coarse salt
2 teaspoons baking powder
1/3 cup (80 ml) neutral flavored oil; canola, vegetable and grape seed are great
1 large egg
1/3 – 1/2 cup (80 ml – 120 ml) milk; dairy and non-dairy both work
1 1/2 teaspoons vanilla extract
6 to 8 ounces = 226 G fresh or frozen blueberries;see note below about frozen berries (about 1 cup)
Heat Oven and Prepare Muffin Cups
Heat oven to 400º F = 204 C . For big-topped muffins, line 8 standard-size muffin cups with paper liners and fill the remaining cups with 1 to 2 tablespoons of water to helps to make sure the muffins bake evenly. For standard-size muffins, line 12 standard-sized muffin cups with paper liners.
Prepare Muffin Batter
Whisk the flour, sugar, baking powder and salt in a large bowl.
Add vegetable oil to a measuring jug that holds at least 1 cup. Add the egg then fill the jug to the 1-cup line with milk (this should be 1/3 to a 1/2 cup of milk). Add vanilla and whisk until combined.
Add milk mixture to the bowl with flour and sugar then use a fork to combine. Do not over mix. (The muffin batter will be quite thick -- see note below for more details). Add blueberries and use a spatula or spoon to gently fold the blueberries into the muffin batter.
Divide batter between muffin cups. (If making big-topped muffins, the batter will come to the tops of the paper liners). Sprinkle a little sugar on top of each muffin.
Bake blueberry muffins 15 to 20 minutes or until tops are no longer wet and a toothpick inserted into the middle of a muffin comes out with crumbs, not wet batter. Transfer muffins to a cooling rack and cool.