Boil for 2 hours over medium heat. Check periodically. Allow the oranges to cool, then open and remove seeds.
Blend to a coarse pulp. Preheat the oven to 375F (190C). Grease a 10-inch parchment paper.
In a large bowl, beat the eggs and sugar together until thick and pale, about 10 ...Boil for 2 hours over medium heat. Check periodically. Allow the oranges to cool, then open and remove seeds.
Blend to a coarse pulp. Preheat the oven to 375F (190C). Grease a 10-inch parchment paper.
In a large bowl, beat the eggs and sugar together until thick and pale, about 10 minutes. Add the rest of the ingredients. Pour batter into prepared pan.
Bake until a toothpick inserted into the center comes out clean, about 1 hour. Allow the cake to cool in the pan.