Based on a recipe from Canadian Living Test Kitchens.
1 cup (250 mL) large-flake rolled oats
1 cup (250 mL) buttermilk (milk and lemon juice alternate)
1 cup (250 mL) whole wheat flour
1-1/2 tsp (7 mL) baking powder
1/2 tsp (2 mL) baking soda
1/2 tsp (2 mL) ground cinnamon
1/4 tsp (1 mL) salt
1/3 cup (75 mL) liquid honey
1/3 cup (75 mL) vegetabIe oil
1/4 cup (50 mL) packed brown sugar
Lightly grease muffin tins.
In large bowl, stir oats with buttermilk; let stand for 15 minutes.
Whisk honey, oil, sugar and egg into buttermilk mixture; pour over flour mixture. Stir just until dry ingredients are moistened.
Add apple and walnuts. Stirring just to mix in.
Fill muffin tins.
Let cool in pan on rack for 5 minutes.