Baked Spinach & Chicken Omelette - Chicken Farmers

Ingredients

• 1/2 lb (0.3 kg) boneless, skinless chicken breasts
• 3 tsp (15 mL) olive oil
• 1 cup (250 mL) red onions, sliced
• 8 eggs, medium
• 1/4 cup (60 mL) plain yogurt, 2–4% MF
• 2 tsp (10 mL) horseradish (optional)
• 1 tsp (5 mL) Dijon mustard
• 1/4 tsp (1.25 mL) salt
• 4 cups (1 L) spinach, fresh, sliced
• 4 cups (1 L) baby spinach
• 1 cup (250 mL) carrots, grated
• 3 tbsp (45 mL) Asiago cheese, grated