Preheat oven to 350°F. Line a 9x9x2 metal baking pan with foil, leaving a 2 overhang. Bring stout to a boil in a medium saucepan; cook until reduced to 1/2 cup, about 12 minutes. Let cool. Reserve 1/4 cup stout.
Stir 12 ounces chocolate and 1 cup butter in a medium metal bowl set over a saucepan of simmering water until melted and smooth. Whisk sugar, eggs, and vanilla in a large bowl to blend. Gradually whisk in chocolate mixture, then 1/4 cup stout from pan. Fold in flour and 1 1/4 teaspoons salt. Pour batter into prepared pan.
Bake brownies until surface begins to crack and a tester inserted into center comes out with a few moist crumbs attached, 3540 minutes. Transfer pan to a wire rack and let cool for at least 20 minutes. Stir remaining 4 ounces chocolate in a medium metal bowl set over a saucepan of simmering water until melted and smooth. Add reserved 1/4 cup reduced stout, remaining 2 tablespoons butter, and 1/4 teaspoon salt; whisk until well blended.
Pour warm glaze over brownies. Let stand at room temperature until glaze is set, about 40 minutes. DO AHEAD: Can be made 8 hours ahead. Cover and let stand at room temperature.
Using foil overhang, lift brownie from pan; cut into squares.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	324.45 Kcal (1358 kJ)
Calories from fat	188.94 Kcal
		% Daily Value*
Total Fat	20.99g	32%
Cholesterol	65.38mg	22%
Sodium	217.11mg	9%
Potassium	126.7mg	3%
Total Carbs	34.71g	12%
Sugars	26.65g	107%
Dietary Fiber	1.88g	8%
Protein	3.08g	6%
Vitamin A	0.1mg	5%
Iron	1.1mg	6%
Calcium	18.7mg	2%

Amount Per 100 g
Calories	383.82 Kcal (1607 kJ)
Calories from fat	223.51 Kcal
		% Daily Value*
Total Fat	24.83g	32%
Cholesterol	77.34mg	22%
Sodium	256.83mg	9%
Potassium	149.89mg	3%
Total Carbs	41.07g	12%
Sugars	31.53g	107%
Dietary Fiber	2.22g	8%
Protein	3.64g	6%
Vitamin A	0.2mg	5%
Iron	1.3mg	6%
Calcium	22.2mg	2%

* 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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