Cake con Pere e Cioccolato

Today  I was looking for this recipe and realized I had never put it on the blog.  I got this recipe out of an Italian cooking magazine. The chocolate-pear combination is tasty and it isn't super sweet.

Chocolate Pear Cake
Pears, 500g (about 2.5 pears--I usually use red pears)
Chocolate, 150g (about 5.25 ounces)
Flour, 200g (about 1.75 cups)
sugar, 150g (3/4 cup)
butter, 150g (1/2 stick + 4 Tbl)
5 eggs
salt
butter and flour for the pan

0. Preheat oven to 325 F. Butter and flour bundt pan.
1. Chop the chocolate and melt in a double boiler (or microwave)
2.  Peel, core, and dice pears. Toss the diced pears with 1 Tbl. flour.
3. Beat the butter and sugar until fluffy.
4. Add chocolate, flour, sugar, and five egg yolks--reserve 2 egg whites.
5. Beat 2 egg whites with a pinch of salt until firm.
6. Fold beaten egg whites into chocolate mixture.
7. Fold coated pear pieces into cake mixture.
8. Put cake into bundt pan.
9. Bake cake for one hour.