Delicious meat recipe. Only my husband cooks like that. The secret is in the cola

Ingredients:
1 kg (2.2 lb) pork.
500 ml of Coca-Cola.
Marinate for 30 minutes.
2 potatoes.
1/2 tablespoon of salt.
Cook until soft.
Oil.
Fry for 5 minutes on each side.
1 onion.
200 g (0.4 lb) mushrooms.
1 pepper
120 g of smoked bacon.
salt and pepper.
1 teaspoon of oregano.
150 g mozzarella cheese.
Cut as shown.
Put the filling inside.
Fix with toothpicks.
Salt and pepper.
1 teaspoon of sweet pepper.
Oil.
Repeat on the other side.
Wrap in foil.
Bake at 180°C/356°F for 50 minutes.
Boiled potatoes.
2 hard-boiled eggs.
1 onion.
Green onions.
Black olives.
100 ml olive oil.
2 teaspoons of mustard.
1 tablespoon of vinegar.
1 teaspoon of salt.
Black pepper.
Unfold the foil.
Bake for another 10 minutes.