Asparagus Casserole

Name: Asparagus Casserole
Ingredients: 4 large eggs; Kosher salt; 1/2 Pound fresh morel mushrooms; 1 Tablespoon unsalted butter; 4 thick-cut bacon slices, cut crosswise into half-inch pieces; 3 Teaspoons kosher salt, plus more for seasoning; 1 1/4 Teaspoon herbes de Provence (no lavender); 1/4 Teaspoon freshly ground black pepper, plus more for seasoning; 1/4 Teaspoon chile flakes; Finely grated zest of two lemons; 1 medium yellow onion, finely chopped; 4 garlic cloves, thinly sliced; 2 1/2 Pounds asparagus, trimmed and cut into half-inch pieces; 1 Cup heavy cream; 3 Tablespoons all-purpose flour