In a large pot, heat oil over medium heat. Add garlic, chicken and pepper flakes, and sauté 1 minute. Add Alfredo and marinara sauces and simmer for 2 minutes. Add lobster base and whisk until dissolved; stir in butter and hot pasta. Continue to simmer 3 minutes, stirring until butter has melted. Season to taste with salt and pepper; garnish with green onions.
Per serving- 1,103 calories; 51.5g fat (42 percent calories from fat); 20g saturated fat; 147mg cholesterol; 45g protein; 115g carbohydrate; 24g sugar; 5g fiber; 2,374mg sodium; 173mg calcium.
Note- Lobster base is a pastelike, concentrated bouillon, usually found near the soups at gourmet markets.