Drain the gherkins and peppers. Wash the tomatoes. Peel the skin from the chorizo and cut the sausage into slices. Cut bread into large cubes. Wash, quarter and core the pear. Cut pear into thin slices and sprinkle with lemon juice.
Coarsely grate the whole cheese. Peel and halve the garlic and rub it into the fondue pot.
Wash the potatoes thoroughly. Cook with skin in boiling water for about 20 minutes. Clean the Brussels sprouts and cut the stem ends crosswise. Wash the sprouts. Cook in boiling salted water for 12-15 minutes.
Clean mushrooms, wash if necessary. Heat oil in a pan. Fry the mushrooms until golden brown.
Pour wine, except for 3 tablespoons, into the fondue pot and heat slowly. Gradually add the cheese and melt in it while stirring. Stir the starch with 3 tbsp. wine until smooth. Stir into the melted cheese, bring to the boil briefly and simmer for about 1 minute.
Season to taste with pepper, paprika and nutmeg.
Drain the potatoes and Brussels sprouts. Depending on the size, halve the potatoes if necessary. Arrange all prepared ingredients, Bündner meat and cranberries. Light the Rechaud. Place the fondue pot on top. Dip the ingredients into the melted cheese, stirring the cheese mixture frequently.