Heat the oven to 375°F and arrange a rack in the middle.
While the pasta is draining, rinse the saucepan and wipe it dry. Melt the remaining 2 tablespoons of butter in the saucepan over medium-low heat until foaming. Add the flour and whisk until smooth. Cook, whisking occasionally, until the flour has darkened slightly in color, about 2 to 3 minutes.
Bo had taken a few dips in the pool in hot pursuit of retrieving one of his favorite balls....still damp, but obviously drawn to that wonderful aroma......must have been his dinner time too!