Arroz de Pato is a traditional Portuguese dish that combines duck, rice, and a variety of flavorful ingredients. Using a food processor can simplify the preparation process. Start by pulsing onions, garlic, and tomatoes in the food processor until finely chopped. Sauté the mixture in olive oil until fragrant. In a separate pot, cook the duck until tender and shred the meat using the food processor. Add the shredded duck to the sautéed mixture and stir well. Then, add rice, chicken broth, and seasonings to the pot. Let the rice cook until tender and all the flavors meld together. Serve the Arroz de Pato hot, garnished with fresh parsley. It's a delicious and hearty dish that showcases the rich flavors of Portuguese cuisine.