Orange Chiffon Cake - cooking recipe

Ingredients

5 egg yolks (unbeaten; 3/8 c.)
1 c. egg whites (7 or 8)
3 Tbsp. grated orange rind
3/4 c. orange juice or water
2 1/4 c. sifted cake flour
1 1/2 c. granulated sugar
3 tsp. double-acting baking powder
1 tsp. salt
1/2 c. salad oil
1/2 tsp. cream of tartar

Preparation

Separate eggs, placing whites in large mixer bowl.
Let stand at room temperature, about 1 hour.
Have ready a 10 x 4-inch deep tube pan.
Grate orange rind, squeeze juice.
Set oven at 325\u00b0 to preheat.
Sift together into small mixer bowl the flour, sugar, baking powder and salt.
Make a hole in the middle of flour and pour in oil.
Combine yolks, orange rind and juice.
Add to small bowl; set aside.