BETTY’S SILVER WHITE CAKE

2 CUPS FLOUR
1 ½ CUPS SUGAR
3 ½ TSP. BAKING POWDER
1 TSP. SALT
½ CUP SHORTENING
1 CUP MILK
1 TSP. VANILLA
4 EGG WHITES (1/2 CUP)

HEAT OVEN TO 350 DEGREES. GREASE AND FLOUR 9 *13 PAN. MEASURE FLOUR, SUGAR, BAKING POWDER, SALT, SHORTENING, MILK, AND VANILLA INTO LARGE MIXER BOWL. BLEND ½ MINUTE ON LOW SPEED, BLEND 2 MINUTES ON HIGH SPEED. ADD EGG WHITES; BEAT 2 MINUTES ON HIGH SPEED. BAKE 35 TO 40 MINUTES.