Essential amino acids are critical for building protein. For more information, see the Wikipedia page on them.
100g of Stouffer's, Seasoned Meatballs Made with Beef & Chicken In a Classic Mariana Sauce contains 8.2g of protein, which is about the same as 1.4 eggs, 0.3 chicken breasts, or 0.6 cups (160g) of black beans.
Profile of Carbohydrates in Item
Fraction of Carbs by Type
* Other includes oligosaccharides and other polysaccharides.