Reader Recipe: Zucchini Boats

Ingredients

• 6 zucchini, halved lengthwise
• 2 Tbsp olive oil, divided
• Kosher salt
• Freshly ground black pepper
• 1 lb ground beef
• Small onion, chopped
• 2 stalks celery, chopped
• 2 cloves garlic, minced
• ½ tsp Italian seasoning
• 1 C spinach or other greens, chopped
• 1 (15 oz) can black beans, rinsed and drained
• 1 C cherry tomatoes
• 1 (15 oz) can corn, drained
• 1 C shredded mozzarella cheese
• ½ C shredded Parmesan cheese