Fresh Peach (or Apple )Muffins

1 c. peeled & chopped fresh peaches or apples
1 tsp. lemon juice
1 c. milk
1 egg
1/4 c. vegetable oil
2/3 c. sugar
1/2 tsp. salt
1/4 tsp. cinnamon
3 tsp. baking powder
2 c. unsifted flour

Sprinkle the fruit with lemon juice, set aside.Mix remaining ingredients, adding flour last. Fold in fruit just before baking. Fill greased muffin tins 2/3 full & bake at 450 degrees for 20 minutes.