Sheet-Pan Pesto Frittata

Ingredients

• 18 extra-large eggs
• 1/2 cup milk
• 1 tablespoon whipped cream cheese
• 1 teaspoon salt
• 1 tablespoon olive oil
• 1 tablespoon store-bought pesto, such as Ta’amti Classic Pesto
• 2 cups baby spinach leaves
• 1/3 cup crumbled Ta’amti Feta Cheese, plus additional for topping
• 1 ripe avocado, diced
• 2 tablespoons chopped fresh parsley
• 12 slices whole wheat bread
• butter or cream cheese, for smearing
• 20 pearl onions, peeled and halved
• 2 portobello mushroom caps, sliced
• 3 and 1/2 ounces (100 grams) shiitake mushrooms
• 3 tablespoons + 1 teaspoon olive oil, divided
• 3/4 teaspoon salt, divided
• freshly ground Gefen Black Pepper
• 1 pint mixed grape tomatoes, halved
• 1 clove garlic, minced or 1 cube Gefen Frozen Garlic