Low Carb Spaghetti Squash Lasagna Casserole - Sugar-Free Mom

Ingredients

• 1.5 pounds Spaghetti Squash (was 3 pounds with shell) (halved lengthwise, seeded )
• 2 pounds ground beef
• 1 tablespoon extra virgin olive oil
• 1 clove garlic (minced)
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 24 ounces marinara sauce (divided)
• 24 ounces ricotta cheese (part skim)
• 2 cups mozzarella (shredded, divided)
• 1/4 cup grated Parmesan
• 2 eggs
• 1/2 teaspoon dried oregano
• 1 teaspoon garlic powder
• 1 teaspoon dried basil
• 1/2 teaspoon onion powder
• 1 teaspoon dried parsley
• 1/4 teaspoon crushed red pepper