Catfish Ceviche

Ingredients

• 1 pound U.S. farm-raised catfish fillets, cut into 1/2-inch pieces
• 1 teaspoon grapefruit zest
• 1 teaspoon lime zest
• 1/2 cup freshly squeezed grapefruit juice
• 1/3 cup freshly squeezed lime juice
• 1 medium tomato, seeded and diced
• 1 small red onion, finely diced
• 2 tablespoons extra-virgin olive oil
• 4 cloves garlic, thinly sliced
• 1 jalapeno, seeded and minced
• 1 tablespoon chopped fresh cilantro leaves
• 1 tablespoon chopped fresh oregano leaves
• 1 1/2 teaspoons kosher salt
• 1/2 teaspoon turbinado sugar
• 1/2 teaspoon toasted and ground cumin
• 1 avocado, pitted, peeled, and diced