Blueberry and Lemon Muffins - Petites Choses

Ingredients

• 1 and 3/4 cups plain flour
• 1 tsp baking soda
• 1 tsp baking powder
• 1/2 tsp salt
• 85g unsalted butter, room temp
• 3/4 cup Demerara sugar
• lemon zest from 1 lemon
• 2 large eggs, at room temp
• 1/2 cup yogurt (Laban)
• 1 tsp pure vanilla extract
• 3 tbsp milk lemon juice of 1/2 lemon
• 1 and 1/4 cups frozen Emborg blueberries
• Extra Demerara sugar
• Oat flakes