A moist strawberry-filled muffin topped with a buttery crumble streusel and lemon glaze.
Preheat oven to 375. Line muffin tins with paper liners or spray with non-stick baking spray.
Combine strawberries and 1 Tablespoon flour. Stir until coated well. Set aside.
Combine flour, baking powder, baking soda, and sugar in a medium bowl.
Whisk together egg, buttermilk, lemon juice, and melted butter in a large mixing bowl.
Add lemon zest to wet ingredients.
Pour half of the dry ingredients in with the wet. Mix. Add remaining dry ingredients and mix until just combined.
Fold in the strawberries.
Fill muffin tins 3/4 full with muffin batter.
Combine the flour, oatmeal, sugar, and butter using a fork or a pastry cutter.
Sprinkle the streusel over the muffins.
Bake the muffins for 25 minutes or until a toothpick inserted comes out clean.
Remove the muffins from the oven and allow them to cool slightly before removing the muffins to a cooling rack.
Allow muffins to cool completely before glazing.
Whisk together the powdered sugar and lemon juice in a small mixing bowl.
Place a piece of parchment paper beneath the cooling rack (under the muffins)
Drizzle the glaze over each muffin.