Coat the inside of a 2 1/2 quart to 5 quart slow cooker or crock pot with cooking spray. (Note: the cake's cooking time and final appearance will vary depending on your crock's size.)
Whisk together the flour and baking powder in a medium bowl and set aside.
In a large bowl, melt the butter and chocolate in the microwave or over a pan of simmering water and mix well.
Whisk in the 2/3 cup of sugar, 3 tablespoons of cocoa, vanilla, salt, milk, and egg yolk.
Add the flour mixture and stir until thoroughly mixed.
Pour the batter into the slow cooker and spread it evenly.
In a medium bowl, whisk together the remaining sugar, cocoa and hot water until the sugar is dissolved.
Pour the mixture over the batter in the slow cooker.
Cover and cook on high for 1 1/4 to 2 1/4 hours, depending on size of the crock pot.
Even when done, the cake will be very moist and floating on a layer of molten chocolate, but you will know it is ready when nearly all of the cake is set and the edges begin to pull away from the sides of the pot.
(As you check, try not to let the condensed steam from the lid, drip on the cake.) When it is done, turn off the power and remove the lid.
Let it cool for 25 minutes, then serve it in bowls topped with whipped cream or ice cream.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	353.41 Kcal (1480 kJ)
Calories from fat	144.87 Kcal
		% Daily Value*
Total Fat	16.1g	25%
Cholesterol	44.25mg	15%
Sodium	510.51mg	21%
Potassium	371.75mg	8%
Total Carbs	51.73g	17%
Sugars	28.23g	113%
Dietary Fiber	4.19g	17%
Protein	4.83g	10%
Vitamin A	0.1mg	4%
Iron	2.6mg	14%
Calcium	150.2mg	15%

Amount Per 100 g
Calories	248.98 Kcal (1042 kJ)
Calories from fat	102.06 Kcal
		% Daily Value*
Total Fat	11.34g	25%
Cholesterol	31.18mg	15%
Sodium	359.67mg	21%
Potassium	261.9mg	8%
Total Carbs	36.44g	17%
Sugars	19.89g	113%
Dietary Fiber	2.95g	17%
Protein	3.41g	10%
Vitamin A	0.1mg	4%
Iron	1.8mg	14%
Calcium	105.8mg	15%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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