Creating a delicious Spring Vegetable Frittata is made easy with the following steps:

1. Preheat Oven: Preheat your oven to 375°F (190°C) to ensure even cooking.
2. Prepare Vegetables: Wash and chop all the vegetables. Set aside.
3. Beat Eggs: In a large bowl, whisk together the eggs, milk, salt, pepper, and oregano until well combined.
4. Sauté Vegetables: In an oven-safe skillet, heat olive oil over medium heat. Add the asparagus and bell peppers, cooking for 3-4 minutes until slightly tender.
5. Add Spinach and Tomatoes: Stir in the spinach and cherry tomatoes, cooking for an additional 2 minutes until the spinach wilts.
6. Combine with Egg Mix: Pour the egg mixture into the skillet, ensuring the vegetables are evenly distributed.
7. Add Cheese: Sprinkle the shredded cheese evenly over the top of the frittata.
8. Cook on Stovetop: Let the frittata cook on low for about 2-3 minutes, just until the edges begin to set.
9. Transfer to Oven: Place the skillet in the preheated oven and bake for 10-15 minutes until the frittata is puffed and fully set.
10. Cool and Cut: Remove from the oven and let it cool for a few minutes before slicing.
11. Garnish: Top with fresh herbs, adding a pop of color and flavor.
12. Serve Warm: Transfer slices to plates and serve while warm.

These step-by-step instructions will help you create a delightful Spring Vegetable Frittata in no time!