Broccoli Casserole - cooking recipe

Ingredients

1 (10 oz.) pkg. frozen broccoli, chopped
1/2 c. chopped onion
1 Tbsp. butter
1 can mushroom soup, undiluted
1 c. mild shredded Cheddar cheese
1/2 tsp. dry mustard
1/2 tsp. vinegar (optional)
4 hard-boiled eggs, chopped
1 can French fried onions

Preparation

Saute onion in butter.
Combine soup, cheese, mustard and vinegar; leave on heat only long enough to heat through.
Layer in 9 x 9 x 2 1/2-inch pan the broccoli, eggs and cooked mixture, ending with mixture.
Bake, uncovered, 25 minutes at 350\u00b0.
Remove from oven and top with French fried onions.
Return to oven for 5 minutes.
Prepare this at least eight hours before baking and refrigerate (best overnight).
It will fill your pan if doubled.