Hamburger Steak with Onions | RICARDO

Ingredients

• ½ cup (40 g) panko breadcrumbs
• ¼ cup (60 ml) milk
• 1 ½ lb (675 g) medium-lean ground beef
• 2 eggs, beaten
• 1 ½ tsp sweet smoked paprika
• 1 tsp cracked black pepper
• 2 tbsp butter
• 2 onions, thinly sliced
• 2 tbsp (30 ml) apple cider vinegar
• 2 cups (500 ml) beef broth
• 2 tbsp dark toasted flour (see note)
• 1 tbsp (15 ml) Worcestershire sauce
• 1 tbsp (15 ml) prepared mustard