This Keto Ham Casserole will remind you of Carbonara without all the carbs! It's conveniently made in casserole form, making it a quick-and-easy weeknight dinner.
Saute onion and ham in melted butter in a large skillet over medium-high heat until onions are translucent.
Combine eggs, egg yolk, broth, heavy cream, garlic powder, and 1/2 cup Parmesan cheese in a medium bowl or measuring cup.
Add mixture to ham mixture in skillet. Cook for 3-4 minutes, stirring constantly, or until mixture thickens. Stir in peas and parsley; cook an additional 1-2 minutes or until heated through.
Place zucchini noodles in an 8- x 8-inch baking pan. Top noodles with ham mixture. Sprinkle with remaining 1/4 cup Parmesan cheese.
Bake at 400 F for 10 minutes or until Parmesan is lightly browned.