Gently CLEAN portabella mushroom. REMOVE stem and gills. BRUSH with olive oil. COOK in a small covered skillet on low heat 5 minutes per side or until tender.
Meanwhile, MELT butter in another small skillet on medium heat. SAUTE onion and garlic 6 to 8 minutes or until onion is very soft.
SPREAD inside of mushroom with goat cheese. FILL with onion mixture.
SPRAY a small skillet with cooking spray. FRY egg according to personal preference for doneness.
TOP mushroom with egg. SPRINKLE with Parmesan cheese.
Mushroom may also be cooked in the oven. preheat oven to 425°F. Place cleaned mushroom cap brushed with oil on baking sheet. bake 10 to 15 minutes or until tender.
To fry an egg, spray small skillet with cooking spray OR add 1 teaspoon to 2 tablespoons butter or vegetable oil. Heat skillet on medium-high heat. Slip egg into pan and immediately reduce heat to low. Cook slowly until white is completely set and yolk begins to thicken. Baste egg with butter OR turn over to cook both sides.
To poach an egg, bring 2 to 3-inches of water to boiling in deep skillet or omelet pan. Break cold egg into a custard cup. Slip egg into water. Cook until whites are completely set and yolk begins to thicken but is not hard, about 3 to 5 minutes. Remove carefully with a slotted spoon.
This recipe is an excellent source of protein and choline, and a good source of vitamin A and folate.