Golden Flannel Hash

Name: Golden Flannel Hash
Ingredients: 2 tablespoons each butter and olive oil; 1 red onion, chopped,; 1 red bell pepper, chopped; 1/4 teaspoon dried thyme; 1/2 pound cooked corned beef, cut into small cubes; 3/4 pound small red potatoes, cooked and cubed (do not peel); 3/4 pound yellow beets (tops removed), cooked, peeled, and cubed; Salt and pepper; Eggs, for poaching; Chopped parsley, optional; Green Chile Hollandaise, recipe follows; 3 egg yolks; 3 tablespoons lemon juice; 8 ounces butter, very soft or melted; 3 tablespoons minced roasted green chile; 1 scallion, minced; Pinch cayenne; Salt