Chocolate Orange Angel Food Cake Recipe

• 1 1/4 c. sugar (divided use)
• 1 c. flour
• 1/2 tsp salt
• 12 x egg whites, at room temperature
• 1 Tbsp. lemon juice
• 3 tsp vanilla extract
• 1 Tbsp. grated orange rind
• 1 1/2 x (3-oz)-size) dark orange chocolate bars Or possibly (1.2-oz-size) Newman's

Directions