Preheat the oven to 200 degrees.

Peel the sweet potato and cut it into cubes.

Grill these in the oven for about 20 minutes with a splash of olive oil and some salt, pepper, and paprika powder.

Halve the tomatoes.

Fill the bowl with the lettuce and top with the avocado, sweet potato, tomatoes, lentils, walnuts, and cottage cheese.