Muffin Tin Quiches – Fustini's Oils & Vinegars

Ingredients

• 2 tablespoons Fustini's Herbs de Provence olive oil, plus more for greasing
• 1 1/2 cups finely diced red-skinned potatoes
• 1 cup diced red onion
• Kosher salt & freshly ground black pepper
• 2 tablespoons Fustini's 12 Year White balsamic
• 8 large eggs
• 1 cup shredded cheddar cheese
• 1/2 cup of low-fat milk
• 1 1/2 cups chopped fresh spinach