STEP 1/16
Prepare frozen meatballs by defrosting them.
STEP 2/16
Cut two red onions into circular (ring-shaped) shreds.
STEP 3/16
Yellow, red paprika, slice thinly.
STEP 4/16
Prepare half a spoonful of peperoncino or Vietnamese pepper seeds.
STEP 5/16
Wash a handful of leafy vegetables that will go into the sandwich and drain them.
STEP 6/16
Make a meatball stir-fry sauce.
2 spoons of oyster sauce
2 spoons of buldak sauce
2 spoons of balsamic vinegar
1 spoon of starch syrup (oligosaccharide)
Add half a spoon of Vietnamese pepper seeds (pepperoncino seeds) and mix.
STEP 7/16
Make sandwich sauce.
2 spoons of mayonnaise
1 spoonful of oligosaccharide
a teaspoon of lotus root
Add 1 spoonful of whole grain mustard and mix.
STEP 8/16
Melt 1 piece of butter in a frying pan over high heat.
STEP 9/16
Add the red onions and cook for 3 minutes until the onion texture is soft.
Place cooked onions on a plate.
STEP 10/16
Stir-fry meatballs in the same pan that you stir-fried onions.
Stir-fry meatballs as if beating them.
STEP 11/16
When the meatballs are well warmed and stir-fried, pour the seasoning sauce and stir-fry while mixing.
STEP 12/16
Wipe the pan or melt 1 piece of butter in another pan and bake 2 slices of bread back and forth until golden.
Melt the butter again and bake the other two.
STEP 13/16
Let well-baked bread stand vertically and cool for a while.
STEP 14/16
Spread sandwich sauce evenly on all four slices of baked bread.
STEP 15/16
Add leafy vegetables and parfica little by little.
STEP 16/16
Add the stir-fried onions and meatballs moderately, then add some leafy vegetables again.
Cover it with the rest of the bread and you're done with a meatball sandwich.
You can put it between breads and eat it as a sandwich, or you can put it in a hot dog bread and eat it as a hot dog.