Summer Squash Casserole - cooking recipe

Ingredients

3 c. yellow squash, cut in cubes
1/4 c. sour cream
1 Tbsp. melted butter
1 Tbsp. shredded Cheddar cheese
1/2 tsp. salt
1/8 tsp. paprika
1 egg yolk, beaten
2 Tbsp. softened butter
1/2 c. Parmesan cheese
1/2 c. dry bread crumbs

Preparation

Simmer squash until just tender; drain.
Combine sour cream, melted butter, cheese, salt and paprika.
Stir mixture over low heat until cheese is melted.
Stir in egg yolk.
Next, stir squash into mixture.