Taco-Stuffed Zucchini Boats

Ingredients

• 2 tablespoons olive oil -
• 1 pound ground beef -
• 1/2 red onion, minced -
• 1 jalapeño, seeds removed and green parts minced -
• 4 teaspoons chili powder -
• 1 teaspoon dried oregano -
• 1 teaspoon garlic powder -
• 1 teaspoon black pepper -
• 1/2 teaspoon salt -
• 4 medium zucchini, halved lengthwise -
• 6 ounces queso fresco -
• Scallions, for garnish -
• Sour cream, for garnish -
• Diced red or orange bell pepper, for garnish -