Caldo De Verduras de Verano

Ingredients

• 1 tablespoon vegetable oil
• 1 medium yellow onion, thinly sliced
• 3 carrots, sliced
• 3 celery ribs, sliced
• 2 medium zucchini, diced
• 3 garlic cloves, minced
• 2 ears corn, shucked and cut into thirds
• 1 (14- to 16-ounce) package extra- or super-firm tofu, drained and diced
• 3/4 cup medium-grain white rice, rinsed
• 6 cups water
• 3 bouillon cubes or paste equivalent
• Salt
• black pepper
• Minced fresh cilantro, for garnish