Blueberry Lemon Streusel Muffins | Blue Flame Kitchen

Ingredients

• 2 tbsp all-purpose flour
• 2 tbsp granulated sugar
• 2 tbsp old-fashioned rolled oats
• 1 tbsp salted butter, softened
• 2 tbsp grated lemon peel, divided
• 1 3/4 cups all-purpose flour
• 1/4 cup old-fashioned rolled oats
• 2 tsp baking powder
• 2 tsp baking soda
• 1/4 tsp salt
• 1 cup granulated sugar
• 1 cup plain Greek yogurt
• 3 tbsp canola oil
• 1 large egg
• 1 tsp vanilla
• 1 cup fresh or frozen blueberries