Recipe: Spinach Artichoke Frittata

Name: Recipe: Spinach Artichoke Frittata
Ingredients: 10 large eggs; 1/2 cup full-fat sour cream; 1 tablespoon Dijon mustard; 1 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper; 1 cup grated Parmesan cheese (about 3 ounces), divided; 2 tablespoons olive oil; About 14 ounces marinated artichoke hearts, drained, patted dry, and quartered; 5 ounces baby spinach (about 5 packed cups); 2 cloves garlic, minced