Step 1

Preheat oven to 375 F. Lightly grease 12 muffin tin wells with non-stick cooking spray.

Step 2

In a large mixing bowl, whisk together the 2 sugars, eggs, sour cream, vanilla and oil. Mix until smooth.

Step 3

Add 2 cups of flour - 1/2 cup at a time - into the batter, then mix in the baking soda and salt.

Step 4

In another small bowl, toss the blueberries and 1 Tbsp flour.

Step 5

Melt the butter and toss with the crushed Vanilla Chex cereal.

Step 6

Spoon the batter into the greased muffin tins and top with the "Vanilla Chex Streusel" and press lightly into the batter.

Step 7

Bake in the preheated oven for 22 to 24 minutes.

Step 8

Serve Blueberry Muffins with Vanilla Chex Streusel, warm with butter.