Angel Squares

Directions

1. 1
   Grease bottom only of pan.
2. 2
   Beat egg whites and cream of tartar until soft mound forms.
3. 3
   Add 1 cup sugar, beating until stiff peaks form.
4. 4
   Set aside.
5. 5
   Combine flour, 1 cup sugar, baking powder and salt; mix well.
6. 6
   Add vanilla and hot milk.
7. 7
   Blend at low speed until moistened; beat 2 minutes at medium speed.
8. 8
   Pour over egg whites; by hand, fold in carefully just until well combined.
9. 9
   Pour batter into pan and bake at 350° for 30 to 35 minutes, or until top springs back.
10. 10
    Cool.
11. 11
    Frost and drizzle with chocolate glaze.
12. 12
    Serve in squares.