Calabacitas

INGREDIENTS

• 1 tablespoon olive oil
• 1 large onion, chopped
• 3 cloves garlic, minced
• 4 small zucchini, diced
• 1 fresh poblano chile pepper, seeded and chopped
• 1 cup frozen whole kernel corn
• 1 (15 ounce) can black beans, rinsed and drained
• 1/2 teaspoon salt, or to taste