Short Ribs over Spaghetti Squash and Spinach | Savory

Ingredients

• 2 tbsp olive oil, divided
• 3 lbs boneless beef short ribs
• 1 cup chopped onions, divided
• 2 tbsp tomato paste
• 2 tbsp minced garlic
• 1 cup beef broth
• 1/2 cup dry red wine
• 2 tbsp red wine vinegar
• 1 (2 lb) spaghetti squash
• 1 (8 oz) bag triple-washed spinach leaves
• 1 tbsp lemon juice
• 1 tbsp butter
• 2 tbsp chopped parsley