Here are two more recipes that I found for you on the internet. I do hope that one of them is what you are looking for. I have not tried either of them.

Chocolate Brownies with Praline Topping

Praline Topping
1/4 cup butter
2 tablespoons flour
3/4 cups firmly packed brown sugar
2 eggs
1 teaspoon vanilla
2 cups chopped pecans

Brownies
1 (21-1/2 oz) package Pillsbury fudge brownie mix
1/2 cup water
1/4 cup oil
1 egg

Heat oven to 350°. Grease bottom only of 13x9x2-inch baking pan. Melt butter in medium saucepan over medium-low heat; stir in flour until smooth. Add brown sugar and 2 eggs; mix well.Cook for 5 minutes, stirring constantly. Remove from heat; stir in vanilla and pecans. Set aside.
In large bowl,combine all brownie ingredients;beat 50 strokes with spoon. Spread in prepared pan. Spoon topping evenly over brownie layer. Bake at 350° for 30-35 minutes or until set. Do not over cook. Cool completely and cut into bars. Makes about 2 dozen brownies.

Crunchy Praline Brownie

1 (17.6-oz.) box Duncan Hines "Chocolate Lovers Brownies" with California walnuts

Praline topping (recipe follows)

Mix brownie mix according to the "cakelike" directions on box.

Spread evenly in well-greased 8 x 8-inch aluminum pan. Bake in 350° F. preheated oven for 35-40 minutes.

Remove from oven and spread Praline Topping over brownies. Bake again for another 15 minutes. (Make sure brownies are done, but do not overcook.)

Cool before cutting.

Praline topping:

3/4 C. packed light brown sugar
3/4 C. chopped pecans
1/4 C. (1/2 stick) margarine, melted
2 T. evaporated milk
1 t. vanilla

Mix all ingredients and pour over brownies.

Makes 16 squares.