Onions, peppers, celery, garlic, respectively
The batten is cut longitudinally, in half, and the inside is smashed with a spoon.
Heat the oil a little, fry the garlic, onion, pepper, then pour the celery, add salt, black pepper
Stir well, pour the frozen shrimp and the freshly dug bread crumbs, stir well--this step should not be fried for too long, stir the shrimp hot
Put the smashed baguette on the baking sheet, cut it face up, and then pour the fried material into it.
Sprinkle a layer of cheese
Put the baking tray in the oven, turn it on, and bake until the cheese melts and discolors.