Bake Temperature. Bake frozen lasagna at a medium-high temperature. If you use a conventional oven, set it to 400 degrees Fahrenheit. To cook the lasagna in the same amount of time in a convection oven, you only need to set it to 350 F because the fan circulates the oven's heat more efficiently. 3. Portion Size.
Size. Most purchased, frozen veggie burgers weigh approximately 2.5 ounces, according to FatSecret. A serving consists of one veggie burger patty. Depending upon the brand you choose, a patty will have between 70 and 170 calories, according to MSNBC.com. A standard meat burger weighs 3 ounces, but larger burgers or multiple burger patties are not uncommon.
Veggie Burgers. Great burgers. Cooked carrots, squash and zucchini are stirred into oats, cheese, and egg with some broth and soy sauce added for color and taste. Chill for at least 1 hour, then shape into thick patties and broil.