| 1 | medium Spanish onion (diced) | |
| 4 | tbsp | butter |
| 2 | tbsp | olive oil |
| 1⁄2 | c | flour |
| 2 | c | Stonyfield Organic Milk |
| 1 | tsp | Tabasco or similar |
| 1 | tsp | dry mustard powder |
| 1 | tsp | Worcestershire Sauce |
| 1⁄4 | c | Cognac (optional) |
| 3⁄4 | lb | sharp cheddar cheese (shredded) |
| 1⁄4 | lb | Jack cheese of other favorite (shredded) |
| 2 | c | Stonyfield Organic Plain Greek Yogurt |
| 16 | oz | pasta macaroni (cooked per instructions and set aside) |
| 1⁄2 | c | seasoned bread crumbs |
| 1⁄2 | c | grated Parmesan cheese |
| kosher salt and white pepper to taste |