1. In a saucepan, whisk the oil and the flour until it forms a paste, stir over medium heat for three minutes.
2. Meanwhile, blend all the other ingredients on high until extremely smooth. Add the mixture to the saucepan and whisk constantly for five minutes on medium low heat.
3. Simmer until the sauce has thickened. Toss with cooked pasta, top with crispy bread crumbs, and serve hot.