Double Chocolate Lava Baby Cakes

Source: Better Homes and Gardens

3/4 cup butter
6 ounces semisweet chocolate pieces (1 cup)
1 recipe Praline Sauce (see below)
3 large eggs
3 large egg yolks
1/3 cup granulated sugar
1 1/2 teaspoons vanilla extract
1/3 cup all-purpose flour
3 tablespoons unsweetened cocoa powder
1/3 cup pecan halves, toasted

Preheat oven to 400 degrees F. Lightly grease and flour six 1- to 1 1/4-cup souffl