Bolognese Burger (เบอร์เกอร์โบโลเนส)

Ingredients

• Minced Pork 350 g
• Garlic Powder 1 tbsp
• Onion Powder 1 tbsp
• Tomato Paste ½ tbsp
• Salt
• Pepper
• All-purpose Flour 2 tbsp
• Egg
• Breadcrumb 2 tbsp
• Vegetable Oil
• Olive Oil 2 tbsp
• Minced Beef 50 g
• Button Mushroom (chopped) 50 g
• Carrot (chopped) 50 g
• Onion (chopped) 50 g
• Garlic (chopped) 2 cloves
• Tomato Paste 2 tbsp
• Water 150 ml
• Black Pepper
• Sugar ½ tsp
• Burger Buns 2
• Butter ½ tbsp
• Lettuce for serving