Prep - Remove puff pastry from freezer and defrost on the counter for 1 hour. Chop onion and pepper. Combine meat, epis, adobo seasoning and vinegar in a bowl. Make egg wash.
Prepare Filling - Heat olive oil in a frying pan over medium heat. Add onions and cook for 5 minutes. Add meat mixture and cook, stirring, another 10 minutes. Stir in minced pepper and tomato paste, Cook another 1-2 minutes, turn heat off, and season to taste with salt and pepper.
Cook Pate' - Preheat oven to 350°F (175°C). Unfold 1 sheet of puff pastry on a lightly floured work surface. Flatten out the sheet with a rolling pin. Cut down the folds to create 3 long strips. Then cut each strip in half to create 6 rectangles.
Wet the edges of 1 rectangle and fill the top half of the rectangle with a heaping tbsp of meat filling. Fold over other half and crimp edges together with your fingers or a fork. Repeat until both puff pastry sheets are used giving you 12 patties.
Brush the top- of each pastry with the egg wash. Bake until golden brown, about 20-25 minutes. Serve warm.