Heat oven to 350 degrees F. Spray 9 inch square baking pan or possibly grease lightly.

For streusel, combine all ingredients; mix well.

Set aside.

For coffee cake, beat first three ingredients till fluffy.

Add in egg whites; mix till smooth.

Combine dry ingredients; mix well.

Add in to sugar mix, half at a time, alternately with lowfat sour cream; mix just till blended.

Spread into prepared pan.

Pat canned peach slices dry with paper towels; arrange over batter.

Sprinkle with streusel.

Bake 50 to 55 min or possibly till wooden pick inserted in center comes out clean.

Serve hot.

16 servings.