Tucupi Hollandaise:
1. In a pan, heat 100 g of unsalted butter. Add the white onion cut into small cubes and sauté until translucent.
2. Add the sliced chili pepper and then the coriander.
3. Pour the tucupi into the pan and let it simmer for 10 minutes. Strain the liquid.
4. Then add 300 g of unsalted butter and 150 g of noisette butter. Use a mixer to emulsify the mixture.
5. Add the xanthan gum and mix again until you get a homogeneous texture. Adjust the salt to taste.
Cassava Puff:
1. In a bowl, mix the cassava flour with the salt.
2. Add water little by little, until you get a homogeneous dough, similar to the consistency of fresh pasta.
3. Roll out the dough into a cylinder, starting at zero thickness and increasing to level 9.
4. Cut into desired shape and fry in vegetable oil at 180°C, basting with a spoon.
Roasted Onion:
1. Cut the onion into rings of approximately 1.5 cm and set aside.
2. Grease a baking tray with butter.
3. Extract the juice from the beetroot and spread it on the baking tray, forming a mirror.
4. Place the onion rings on the beetroot mirror, cover with aluminum foil and bake in a preheated oven at 180°C for 25 minutes.
5. Remove the aluminum foil and return to the oven for another 5 minutes.
Asparagus:
1. Clean the asparagus and cut the tips to approximately 10 cm. Set the tips aside.
2. Cut the remaining stalks into rings.
3. Blanch the asparagus in boiling water and then season with olive oil, salt and pepper to taste.
Creamy Yolk:
1. Steam whole eggs at 70°C for 22 minutes.
2. After cooking, gently remove the egg white under running water, leaving only the yolk intact.
3. Store the yolk in vegetable oil until ready to serve.