Orange Muffin

Ingredients:
2 cups all-purpose flour

2 teaspoon baking powder

1/4 teaspoon baking soda
1 teaspoon salt
1/2 cup white sugar
1 tablespoon grated zest of orange
1/2-1 cup orange juice
1/2 cup melted butter
2 eggs
1/2 cup grated walnut (optional)

Methods:
Preheat oven 175 degrees celcius.
Combine dry mixture(except sugar) together. Set aside.
Mix orange juice, melted butter, eggs, sugar, zest, walnut, mix together.
Add in the dry ingredients. Mix well.
Pour into muffin tray/papercups.
Bake 20-25 minutes.
Makes about 12 muffins.