3 pecan stuffed portabella Recipes

portabella mushrooms, olive oil or 1 tbsp butter, onion, finely chopped, thyme, garlic clove, finely chopped, frozen leaf spinach , still frozen or 1 1/2 cups defrosted frozen chopped spinach, drained, breadcrumbs, water, parmesan cheese, pecans, chopped (can substitute walnuts), salt, pepper

baby portabella mushrooms, with stems (1 1/2-inch to 2-inch wide ), olive oil, plus additional for greasing dish (original recipe called for unsalted butter-use if you wish or use 1/2 butter, 1/2 olive oil), garlic clove, minced, chopped fresh oregano (or 1/2 tsp. dried ), pecans, finely chopped (4 oz.), breadcrumbs, salt (or more to taste), black pepper, half-and-half, heavy cream, parsley, chopped to garnish