This could be beans and rice which will give you a complete protein meal. Another source would be dairy products and eggs. You still get protein while toning your body and building muscle.
A low body fat, that can be achieved by anyone including vegetarian . That's because fat loss is really comes down to eating less calories. It does require more effort. Low carb and high protein diets are a popular way to lose weight and that usually means some meat.
High protein diets help manage the blood sugar and insulin levels in your body. By not having a higher protein diet you can still lose weight, but maybe just not as fast.
Fat loss is primarily dependent on calories in versus calories out, metabolic efficiency, and hormonal control. A higher protein diet might give you some hormonal and metabolic advantages in fat loss and for building muscle mass, but fat loss can be accomplished 100% through exercise and calorie/portion control.
To burn fat and feed muscle as a vegetarian then you still have to work out as hard or harder then people doing it with lean meat and eggs as their protein. If you intend to follow the BFFM book you will need to make adjustments in how it is written.
As you begin to lose weight your energy level and confidence will increase. This will give you added incentive to stick to being a vegetarian and following this program as well. By increasing the intensity of your workouts as you get in better shape you will see more fat disappearing.
Feeding the muscle becomes easier and vegetarians know some of the best recipes for great tasting food that will do the job.
To summarize this article a vegetarian can follow the Burn The Fat Feed The Muscle program like anyone else. You just have to make adjustments for the type of foods you eat and especially pay attention to how you get your protein.