Chocolate Upside-Down Cake
["1 c. flour", "1 1/4 c. sugar, divided", "4 Tbsp. unsweetened cocoa, divided", "2 tsp. baking powder", "1/4 tsp. salt", "3 Tbsp. melted butter", "1 tsp. vanilla", "1/2 c. chopped pecans", "1/2 c. packed brown sugar", "1 c. cold water"]
["Preheat oven to 350\u00b0.", "In a large mixing bowl, combine flour, 3/4 cups sugar, 2 tablespoons cocoa, baking powder and salt.", "Stir in milk, butter, vanilla and pecans.", "Pour batter into a 10 x 8-inch pan.", "Combine remaining 1/2 cup sugar and 2 tablespoons cocoa.", "Sprinkle over batter.", "Carefully pour water on top.", "Bake for 35 minutes.", "Cut into squares and turn upside down to serve."]
["flour", "sugar", "unsweetened cocoa", "baking powder", "salt", "butter", "vanilla", "pecans", "brown sugar", "cold water"]