Preheat oven and prepare tin:
Warm oven to 375°F (190°C). Prepare a muffin tin by lining with paper cups or greasing lightly.Whisk dry ingredients together:
In a big bowl, combine flour, sugar, baking powder, and salt with a whisk.Blend wet ingredients:
In a separate bowl, blend eggs, milk, melted butter or oil, and vanilla extract until uniform.Combine wet and dry mixtures:
Add the wet mixture to the dry mixture and fold gently until barely incorporated.Fold in mulberries gently:
Carefully fold in the mulberries to prevent crushing them.Fill muffin cups evenly:
Evenly portion the batter into the muffin cups, filling each roughly two-thirds full.Bake until golden and done:
Bake for 18–22 minutes until a toothpick inserted in the center emerges clean.Cool muffins on rack:
Allow muffins to rest in the pan for a few minutes, then move to a wire rack to cool entirely.
