MELT 2 TABLESPOONS BUTTER IN A HOT CAST IRON SKILLET.
TOSS IN CUT ASPARAGUS, AND CHOPPED ONIONS. CONSTANTLY STIRRING-SAUTE’ UNTIL TENDER. ABOUT 5-8 MINUTES.
WHISK EGGS, MILK, FLOUR AND SPICES UNTIL WELL-BLENDED. (NO LUMPS)
GENEROUSLY GREASE ALL SIDES AND BOTTOM 9 INCH GLASS PIE PLATE WITH 2 TABLESPOONS BUTTER. SPRINKLE GRATED PARMESAN CHEESE ON THE BOTTOM OF THE PIE PAN.
COMBINE SAUTEED ASPARAGUS, ONIONS AND CHEDDAR CHEESE WITH EGG MIXTURE.
CAREFULLY POUR EGG MIXTURE INTO PIE PLATE.
BAKE FOR 20-25 MINUTES, OR UNTIL EGGS ARE COOKED COMPLETELY.