Homemade Demi Glace Recipe

Ingredients

• 2 tablespoons canola oil
• 3 beef soup bones
• 3 full chicken wings or 2 chicken thighs, bone-in
• 1 1/2 cup white mushrooms, coarsely chopped
• 1 big carrot, coarsely chopped
• 1 garlic clove, chopped
• 1/2 tablespoon tomato concentrate
• 1 bay leave
• 1 fresh thyme sprig
• 1 1/4 cup dry white wine
• 2 1/2 cups water
• 6 cups veal broth
• 1 big tablespoon corn starch, diluted in a bit of cold water