feat: add Ruth's Chris Sweet Potato Casserole

cook/holiday/Ruth's Chris Sweet Potato Casserole.cook

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+>> total time: 60 minutes
+
+Preheat oven to 350°F.
+
+Grease a #casserole pan{}.
+
+Sweet potatoes: Blend @steamed sweet potato{3%cups}, @sugar{1%cup}, @vanilla{1/2%tsp}, @eggs{2}, and 1 stick of @butter{1%stick}. Bake for ~{30%minutes}.
+
+Crust: Blend @brown sugar{3/4%cup}, @flour{1/3%cup}, and 1/3 cup of @butter{1/3%cup}. Top potatoes with crust and bake for ~{10%minutes} longer.

docs/holiday/ruth's-chris-sweet-potato-casserole.md

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+# :potato: Ruth's Chris Sweet Potato Casserole
+
+![Ruth's Chris Sweet Potato Casserole](../assets/images/ruth's-chris-sweet-potato-casserole.jpg)
+
+| :timer_clock: Total Time |
+|:-----------------------: |
+| 40 minutes |
+
+## :salt: Ingredients
+
+### Sweet Potatoes
+
+- :potato: 3 cups steamed sweet potato
+- :candy: 1 cup sugar
+- :ice_cream: 0.5 tsp vanilla
+- :egg: 2 eggs
+- :butter: 1 stick butter
+
+### Crust
+
+- :maple_leaf: 0.75 cup brown sugar
+- :ear_of_rice: 0.33 cup flour
+- :butter: 0.33 cup butter
+
+## :cooking: Cookware
+
+- 1 casserole pan
+
+## :pencil: Instructions
+
+### Step 1
+
+Preheat oven to 350°F.
+
+### Step 2
+
+Grease a casserole pan.
+
+### Step 3
+
+Sweet potatoes: Blend steamed sweet potato, sugar, vanilla, eggs, and 1 stick of butter. Bake for 30 minutes.
+
+### Step 4
+
+Crust: Blend brown sugar, flour, and 1/3 cup of butter. Top potatoes with crust and bake for 10 minutes longer.

mkdocs.yml

@@ -146,6 +146,7 @@ nav:
       - Jiffy Corn Casserole: holiday/jiffy-corn-casserole.md
       - Monastery Pumpkin Bread: holiday/monastery-pumpkin-bread.md
       - Persimmon Cookies: holiday/persimmon-cookies.md
+      - Ruth's Chris Sweet Potato Casserole: holiday/ruth's-chris-sweet-potato-casserole.md
       - Toffee Crackers: holiday/toffee-crackers.md
       - Unexpected Cheddar Cheese Ball: holiday/unexpected-cheddar-cheese-ball.md
   - Ingredients: