
By thespruceeats
Yellow Squash Casserole
Instructions
Prep:15minCook:1h
Got a bumper crop of summer squash? Use those beauties in this delicious yellow squash casserole topped with bubbly cheese and buttery, crunchy breadcrumbs. Serve it a a side or veggie main.
Updated at: Sat, 04 Oct 2025 02:19:29 GMT
Nutrition balance score
Unbalanced
Glycemic Index
59
Moderate
Glycemic Load
15
Moderate
Nutrition per serving
Calories520.2 kcal (26%)
Total Fat42.3 g (60%)
Carbs25.6 g (10%)
Sugars5.7 g (6%)
Protein11.2 g (22%)
Sodium774.7 mg (39%)
Fiber2.3 g (8%)
% Daily Values based on a 2,000 calorie diet
Ingredients
4 servings

2yellow summer squash
medium, seeds removed, cooked, drained, and mashed squash, no need to peel

kosher salt
to taste

1onion
small

freshly ground black pepper
to taste

1egg
large

1 teaspoonsugar

¾ cupshredded Cheddar cheese
divided

½ cupmayonnaise

4 tablespoonsbutter
melted, divided

1 cupbreadcrumbs
fresh, finely ground
Instructions
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