Chocolate quick biscuits

From the blog Chocolate on my cranium (How convenient is that?) here is a chocolate quick biscuits that is fabulous:

Ingredients:
2 cups flour
1/2 cup unsweetened cocoa powder
1 tsp. baking powder
1 tsp. salt
1 cup unsalted butter cut into small pieces
1 cup granulated sugar
3 large eggs
1 TBSP. vanilla
2 cups semisweet chocolate chips (let's assume that's dark)


Method
Preheat oven to 180 degrees. Sift together flour, cocoa, baking powder, and salt. Set aside. 
In a large mixing bowl beat butter and sugar for 3 minutes until soft. Add eggs and vanilla and beat well. 
Scrape down sides of mixing bowl. Beat mixture again for another 2 minutes. 
With mixer on low slowly add the flour mixture and chocolate chips. 
Mix until thoroughly combined. 
Drop by tablespoonfuls onto ungreased cookie sheet. Use your fingers to slightly flatten each dough portion. Bake for 8 - 10 minutes. 
Remove from oven and let cool on pan for 2 minutes. 
Remove cookies to a wire rack to finish cooling. Makes about 35 Biscuits.