Mushroom Katsu Burger

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Step 1.

Start by making your sauce. Finely chop your onion and your carrot.

Step 2.

Heat a glug of vegetable oil in a saucepan over a medium heat. Add your onion and carrot, then cook out for 10 minutes until soft and caramelised.

Step 3.

Add your ginger and garlic to the pan and cook out for 2 minutes before tipping in your curry powder and flour. Give it a good mix to coat your vegetables and cook out for 2 minutes longer.

Step 4.

Pour in your vegetable stock along with your brown sugar and soy sauce, then simmer for 5 minutes until thickened and slightly reduced. Season to taste, then set aside to cool briefly. Pop it in a blender and blitz to a smooth sauce, then return it to the saucepan to stay warm.

Step 5.

Now make your slaw. Finely chop your cabbages and slice your spring onions. Pop both in a bowl along with your vegan mayonnaise, rice wine vinegar and a pinch of salt. Give it all a good mix and set aside until later.

Step 6.

Whisk your flour and soy milk together in a bowl with a pinch of salt to form a thick paste. In a separate bowl, tip your panko breadcrumbs. Get your portobello mushrooms and dip them in the thick paste until they are fully coated. Transfer them to the panko breadcrumbs bowl and toss until fully coated.

Step 7.

Heat a good glug of vegetable oil in a high sided frying pan over a medium-high heat. Gently place your mushrooms in the oil and fry over a medium heat for about 4 minutes on each side, by which time they should be deep golden brown and crisp, with a tender mushroom within.

Step 8.

Time to assemble your burgers. Halve your buns and spread the base with your curry sauce. Place your mushroom on top, along with a handful of slaw and some pickled ginger. Eat whilst still crisp and hot.

Make sure you get a good amount of oil in the pan so that the sides of the mushrooms are submerged - this will give you the crispiest exterior.

1 Onion
1 Carrot
2cm Knob of Ginger
2 Cloves of Garlic
2 Tbsp Curry Powder
1 Tbsp Plain Flour
400ml Vegetable Stock
1 Tsp Brown Sugar
1 Tsp Soy Sauce
For the Mushroom
120g Plain Flour
180ml Soya Milk
4 Portobello Mushrooms
100g Panko Breadcrumbs
For the Toppings
¼ White Cabbage
¼ Red Cabbage
2 Spring Onions
2 Tbsp Rice Wine Vinegar
2 Tbsp Vegan Mayo
4 Vegan Burger Buns
3 Tbsp Pickled Ginger
Salt
Vegetable Oil