1 medium lemon
1 cup sugar
1 teaspoon baking soda
1 cup plain buttermilk or yogurt
1/4 cup fresh lemon juice
1/2 cup butter
2 large. eggs
2 cups flour
3/4 cup chocolate chips
Finely grate lemon peel, avoiding pith. Beat butter and sugar until pale and creamy. Add eggs, one at a time, beating well after each. Stir in baking soda and grated peel. Fold in half the flour, then half the buttermilk. Repeat. Fold in chocolate chips. Scoop 1/4 cup batter into prepared muffin tins. Bake at 375 degrees for 20-25 minutes. Remove from oven. Brush lemon juice over hot muffins until used up. Sprinkle with sugar. Let stand 5 minutes before removing from pans.