| 1 1⁄4 | c | Stonyfield Organic Plain Nonfat Greek Yogurt |
| 15 | oz | part-skim ricotta cheese |
| 2 | c | grated Parmigiano-Reggiano cheese |
| 1⁄2 | c | chicken broth |
| 1 | lb | white mushrooms (sliced) |
| 2 | tbsp | unsalted butter |
| 1⁄2 | tsp | salt |
| 1⁄4 | tsp | black pepper |
| 1 | pkg | frozen chopped spinach (10 ounces, thawed and squeezed dry) |
| 3 | carrots (peeled and shredded) | |
| 12 | sheet | oven ready, no-boil lasagna |