Stovetop Frittata

Name: Stovetop Frittata
Ingredients: 2 tablespoons olive oil ( or unsalted butter); 1 small onion (thinly sliced); 1 bunch asparagus (about 1 pound, trimmed and cut into 1-inch pieces); 1 clove garlic (minced); 6 large eggs; ¼ cup heavy cream (or whole milk for a lighter version); ⅓ cup Parmesan cheese (grated); ⅓ cup goat cheese (crumbled); ½ teaspoon salt; ¼ teaspoon black pepper (freshly ground); ¼ teaspoon smoked paprika (optional, for depth); 2 tablespoons fresh herbs (such as dill, parsley, or chives, chopped)