Whisk the ricotta or tofu, pumpkin puree, lemon juice, and spice in a mixing bowl until smooth.
Cook the pasta according to the package's instructions.
When the pasta is ready, use a slotted spoon or colander to transfer the pasta from the boiling water to the mixing bowl with the sauce.
Stir to coat the pasta in the sauce. Cool to room temperature.
Wash and steam the florets until they are soft, about 5 minutes in the microwave or 10 minutes on the stovetop. Cool to room temperature before serving.
If you'd like, prepare strawberries cut into age-appropriate sizes to serve with lunch.