Brittany's Brown Sugar Muffins

1/2 c. melted butter
1 c. brown sugar
2 eggs
1 tsp. soda
1/2 tsp. salt
2 c. flour
1 c. milk
1 T. vanilla

Beat everything together well; pour into muffin tins. Bake at 350 for 20-25 minutes. Makes about 18 muffins.