01 -
Line a 12-cup muffin tin with paper liners and preheat the oven to 200°C.
02 -
In a large mixing bowl, use an electric mixer on high speed to beat eggs and granulated sugar for about 5 minutes until thick and pale.
03 -
Add sour cream, oil, vanilla extract, and sea salt to the egg mixture. Mix on low speed until just combined.
04 -
In a separate bowl, whisk together all-purpose flour and baking powder.
05 -
Gradually add the flour mixture to the wet ingredients, mixing in one-third at a time and stirring gently with a whisk or spatula until just incorporated. Avoid overmixing.
06 -
Fold in lemon zest, lemon juice, and blueberries using a spatula until evenly distributed. Do not overmix.
07 -
Divide batter evenly among the liners, filling to the top. Bake for 20-25 minutes at 200°C until muffin tops are golden and a skewer inserted into the centre comes out clean.
08 -
Remove muffins from the tin and allow to cool to room temperature on a wire rack.
09 -
In a small bowl, combine confectioners sugar, lemon zest, and lemon juice. Stir until smooth, adjusting consistency with extra lemon juice or sugar as needed.
10 -
Once muffins are cool, drizzle with lemon glaze and allow to set before serving.