Frittata with Asparagus and Kielbasa

Frittata with Asparagus and Kielbasa

INGREDIENTS 6 extra large eggs ½ cup Gruyere cheese, finely grated ½ yellow onion, minced ½ cup (approximately 3 oz) asparagus, trimmed and diced on bias into ¼ inch slices ½ cup kielbasa, diced into ¼ inch pieces ¼ tspn salt ¼ tspn pepper 1 tb olive oil INSTRUCTIONS...