Name: Mashed Potato and Carrot Casserole
Ingredients: Mashed Potato and Carrot Casserole; This Recipe Came From an Estate Sale. i Obtained it When i PurchasedThe Family Collection From The Henson Estate in Dallas, Texas in 1982.; 6 Medium potatoes Peeled And Cubed; 1 White Onion Coarsely Chopped; 6 Medium carrots Peeled And Cubed; 1/4 Cup butter at Room Temperature; 1 Teaspoon salt; 1 Teaspoon Freshly Ground black pepper; 1 Teaspoon parsley; 1/2 Cup Half And Half; 1 egg Slightly Beaten; 2 Teaspoons butter Melted; parsley For Garnish; Cook And Mash potatoes. Cook Onion And carrot Until Soft Then PureeCarrots And Onion in Food Processor. Combine potatoes, CarrotMixture, butter, salt, pepper, parsley, Half And Half And egg AndPour Into Baking Dish. Drizzle With Melted butter And Bake at 350For 40 Minutes. Sprinkle With parsley And; Category:Cathy's Recipes

Why it works: Carrot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,053 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

Carrot + parsleytop 1% of all pairs

Smell alikestrong

Cooked together8,053 recipes

Shared aroma: 2,4-decadienal (seaweed).
Pepper + parsleytop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Potato + oniontop 3% of all pairs

Smell alikemoderate

Cooked together9,023 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Potato + carrottop 4% of all pairs

Smell alikestrong

Cooked together3,107 recipes

Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
Potato + parsleytop 5% of all pairs

Smell alikemoderate

Cooked together2,855 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

Swap the onion

How well each one fits the dish's main ingredients (potato, carrot, butter, pepper, parsley, egg):

Parsnipfits better
Capsicumfits better
Chivefits better
Onionthe original

Fit is the average pairing score against potato, carrot, butter, pepper, parsley, egg. Candidates are from the same food group and used in at least 100 recipes.

Ingredient	Portion assumed	kcal
Mashed Potato	1 medium (173g) baked	161
Potato	1 medium (173g) baked	161
Butter	1 tbsp (14g)	102
Egg	1 large egg (50g)	78
Cream	1 tbsp (15ml) heavy	51
Onion	1 medium (110g)	44
Carrot	1 medium (61g)	25
Black Pepper	1 tsp ground (2.3g)	6
Parsley	1 tbsp chopped fresh (3.8g)	1
Salt	1 tsp (6g)	0

Mashed Potato and Carrot Casserole