Sazon (Dominican Sofrito)

Ingredients

• 1 onion, peeled and cut into large chunks
• 2 green bell peppers, seeded and cut into large chunks
• 1 red bell pepper, seeded and cut into large chunks
• 1/2 bunch cilantro, washe dried and most stems removed (1/2 cup tightly packed leaves)
• 1 bulb of garlic, cloves separated and peeled
• 1 tablespoon dried oregano
• 3/4 cup distilled white vinegar