Mediterranean Baked Chicken

Ingredients (11)

• ✓ 2 (8 ounce) skinless, boneless chicken breasts
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• ✓ 1 lemon, juiced, divided
• + 1 small yellow onion, roughly chopped add to pantry
• + ¼ cup olive oil add to pantry
• + 2 cloves garlic, diced add to pantry
• + 1 teaspoon dried Greek oregano add to pantry
• + 1 cup grape tomatoes, halved add to pantry
• + ½ (10 ounce) bag fresh spinach add to pantry
• + ½ cup crumbled feta cheese add to pantry