Spring Vegetable Strata

Name: Spring Vegetable Strata
Ingredients: 1 large loaf of white bread or sourdough bread, 1 inch cubes (about 7-8 cups of cubed bread); 2 tablespoons extra virgin olive oil; 2 medium leeks, white and light green parts only, finely diced; 1 clove garlic, finely diced; 1 bunch asparagus, trimmed and chopped into bite sized pieces; 1 cup sweet peas, thawed if using frozen; 1 tablespoon chopped fresh Italian parsley; 1 teaspoon dried thyme, crush between fingers when adding it to the veggies; 1 teaspoon salt; 1/2 teaspoon freshly cracked black pepper; Pinch of crushed red pepper flakes (optional); 1 1/2 cups shredded Gruyère cheese; 6 large eggs; 2 cups heavy cream