adding brownie recipe

src/brownie.md

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+# This is the dish title
+
+Brownie
+
+- ⏲️ Prep time: 20 min
+- 🍳 Cook time: 20-30 min
+- 🍽️ Servings: 12
+
+## Ingredients
+
+- Sugar: 3dl
+- Oat flour: 3dl
+- Oats: 1/2dl
+- Butter: 250g
+- 4 eggs
+- Cacao powder: 4tablespoons
+- Baking soda: 1/2 teaspoon
+
+## Directions
+
+1. Start the oven at 275°C or 530F.
+2. Melt the butter and blend it with the cacao powder and oats.
+3. Mix the eggs and sugar and add the cacao mixture from step 2.
+4. Add the flour and baking soda and a pinch of salt.
+5. Put into the oven and bake until the consistency is correct.
+
+## Contribution
+
+Nishihayashi
+
+;tags: dessert brownie cheesefare