Green Tea Muffins

Ingredients (9)

• + 1 ⅔ cups all-purpose flour add to pantry
• + ½ teaspoon salt add to pantry
• + 1 teaspoon baking powder add to pantry
• + 1 tablespoon matcha green tea powder, or to taste add to pantry
• + ½ cup white sugar add to pantry
• ✓ 1 egg
• + ⅓ cup melted butter add to pantry
• + 1 cup milk add to pantry
• ✓ ¼ cup chopped walnuts