French Onion Pasta Bake
BARS = SHARE OF RECIPE CALORIES · RINGS = FDA DV
A cozy pasta bake layered with sweet caramelized onions, mushrooms, fresh spinach, and melted cheese in a beef broth sauce. French onion soup reimagined as a hearty casserole.
We index the facts; the cooking instructions live with the creator.
Nutrition & ingredients
Ingredients
serves 8- ¼ cup (half of a stick) salted butter
- 1 ½ lbs. Vidalia onions (about 1-2 large onions), (peeled and sliced)
- 8 ounces sliced fresh mushrooms
- 1 large clove garlic, (peeled and minced (about 1 teaspoon))
- ¼ cup all-purpose flour
- 1 teaspoon minced fresh thyme ((or ¼ teaspoon dried thyme))
- 2 ½ cups beef broth
- 1 tablespoon Worcestershire sauce
- 1 bay leaf
- 1 tablespoon balsamic vinegar
- Kosher salt and ground black pepper, (to taste)
- 1 (16 ounce) package rigatoni or penne pasta, (cooked in a large pot of salted water according to package directions for al dente)
- 2 cups coarsely chopped baby spinach
- 6 ounces (about 1 ½ cups) shredded Swiss cheese, Gruyere cheese, or mozzarella cheese
- Optional garnish: chopped fresh parsley or thyme
- Optional, for serving: sliced baguette
At a glance
PER SERVING · TIME 85M
BARS = SHARE OF RECIPE CALORIES · RINGS = FDA DV
Complete estimate · 100% of estimated mass resolved
All countable ingredients resolved. Figures are per serving.
- Prep
- 15m
- Cook
- 1h 10m
- Sodium
- 576mg
- Total sugar
- 7g
Added sugar is not shown when one or more ingredients lack reliable added-sugar evidence.
Nutrition estimated from ingredients, per serving.
Vitamins & minerals
- Potassium
- 712mg
- Calcium
- 266mg
- Iron
- 4mg
Estimated from ingredients; USDA coverage varies by food.
- PREP
- 15M
- SODIUM
- 576MG
- ESTIMATE
- COMPLETE
Nutrition estimated from ingredients, per serving. 100% of estimated mass resolved.