Homemade Spicy Orange Chicken

Ingredients

• 3/4 cup orange marmalade
• 1 1/2 tablespoons vinegar
• 1/2 cup chicken stock
• 2 tablespoons cornstarch
• 1/2 teaspoon salt
• 2 teaspoons ground ginger
• 2 tablespoons olive oil
• 1 large orange, juice and zest
• green onions and sesame seeds for garnish
• 2 teaspoons garlic powder
• 2 large chicken breasts, cut into 1" pieces
• 1/3 cup orange juice
• 1/8 - 1/4 teaspoon cayenne powder or red pepper flakes
• 1/4 teaspoon pepper