Steak & caramelised onion sandwiches with mustard cream - Your Health

Ingredients

• Cooking oil spray
• 2 medium brown onions, sliced
• 2 teaspoons brown sugar
• 1 tablespoon balsamic vinegar
• ¼ cup extra light sour cream
• 1 tablespoon Dijon mustard
• 500g ‘minute’ steaks, trimmed (if not available use ‘flattened’ sirloin steaks)
• 8 slices multigrain sourdough
• 2 cups lettuce leaves
• 2 tomatoes, sliced
• ½ cup canned beetroot slices, drained