Spicy Hungarian Goulash

Name: Spicy Hungarian Goulash
Ingredients: 1 tablespoon canola or grapeseed oil; 1/4 cup butter; 1 pound beef stew meat or chuck roast, cut into 1-inch cubes; 1 tablespoon kosher salt, plus more to taste; 1 teaspoon black pepper, plus more to taste; 1/2 red bell pepper, diced; 1 small onion, diced; 1 clove garlic, minced; 1/4 cup sweet paprika; 1 teaspoon hot paprika; 1 teaspoon dried marjoram or oregano; 1/4 cup all-purpose flour; 2 cups red wine; 2 cups water; 1 tablespoon Maggi seasoning*; 2 small Yukon Gold potatoes, unpeeled and diced