Salsa Verde Breakfast Frittata

Ingredients

• 2 teaspoons olive oil, (plus more for greasing pan)
• 1 large yellow onion, (diced)
• 1 medium green bell pepper, (diced)
• 12 large eggs
• 1/4 cup milk
• 1/4 cup salsa verde
• 3/4 teaspoon salt
• 1 pinch freshly ground black pepper
• 1/2 cup shredded Mexican blend cheese, (optional)
• diced tomatoes, (for garnish)
• chopped cilantro (for garnish)
• 1 cup plain nonfat Greek yogurt
• 1/2 cup salsa verde
• 1/4 cup finely chopped cilantro