Grease muffin pans or line with paper baking cups. Preheat oven to 400 degrees F.Grease muffin pans or line with paper baking cups. Bake in center of oven at 400°F following baking times provided. Empty muffin mix into large bowl. Ships from and sold by Arbor Spring. Baking instructions: Makes 6 jumbo, 12 medium, or 36 mini muffins.1 Prep. Preheat oven to 400ºF. Empty muffin mix into large bowl. Mornings are "muffin" without Duncan Hines muffin mix! Spoon batter into prepared muffin pans. Mix . 2. Fold rinsed and drained blueberries gently into batter. Rinse and Drain blueberries thoroughly with cold water. Fill cups 2/3 full. Directions. mug … Stir eggs, water and oil into muffin mix until moistened (about 50 strokes). Batter will be slightly lumpy. Set aside.2 Mix:Empty muffin … 3. Bake. Set aside. Fold rinsed and drained blueberries gently into batter. Then I baked it at 400 degrees for about 30 minutes in a loaf pan to turn it into blueberry streusel muffin bread. Baking Instructions EMPTY one pouch into a microwave safe mug (9-12 oz. You will need:2 large eggs.2/3 cup water.1/3 cup oil. Cool 5–10 minutes. Stir eggs, water and oil into muffin mix until moistened (about 50 strokes). This item: Duncan Hines Simple Mornings Muffin Mix - Blueberry Streusel - 20.5 oz - (2 CT) (Pack of 5) $39.52 ($39.52 / 1 Count) In stock. I miss the old blueberry streusel muffins that I could buy in the grocery store. Rinse and drain blueberries thoroughly with cold water. Followed directions and oven temp checked OK. Try the delicious flavors of our boxed muffin mixes. Batter will be slightly lumpy. To add a little twist while on quarantine lock-down, I added about 3/4 cup of small fresh blueberries to the mix and substituted about 2 tablespoons of water with lemon extract for a little extra flavor. I called Duncan Hines and they sent me 2 coupons for any Duncan Hines product.