Grandmas Secret old fashioned liver and onions Rich Gravy

Ingredients

• 1 lb (450g) Beef Liver, sliced about 1/4 inch thick
• 2 cups (475ml) Milk
• 1/4 cup (30g) All-Purpose Flour
• 1/2 tsp Salt (3g)
• 1/4 tsp Black Pepper (1g)
• 1/4 tsp Garlic Powder (1g)
• Pinch of Paprika
• 4 tbsp (60ml) Butter, unsalted
• 2 tbsp (30ml) Vegetable Oil
• 2 Large Yellow Onions, thinly sliced
• 2 cloves Garlic, minced
• 2 cups (475ml) Beef Broth
• 1 tbsp (15ml) Worcestershire Sauce
• 1 tbsp (15ml) Balsamic Vinegar
• Salt and Pepper to taste
• 2 tbsp (30ml) Chopped Fresh Parsley