Lightly grease two 9x5x3-inch loaf pans or three 8x4x2-inch loaf pans. Set aside.
In a large bowl, beat sugar, butter, eggs, and strawberry flavoring or vanilla with electric mixer until well combined.
In another bowl, stir together flour, baking powder, and salt. Add to egg mixture alternately with milk, beating until combined after each addition. With a spoon, stir in strawberries and nuts. Turn into prepared pans.
Bake in a 350 degree F oven for 45 to 50 minutes for larger loaves, 30 to 35 minutes for smaller loaves, or until a toothpick inserted near the center of the bread comes out clean.
Cool bread in pans on wire racks for 10 minutes. Remove from pans. Cool thoroughly on wire racks. Drizzle with Powdered Sugar Glaze, if you like. Makes 2 large or 3 medium loaves (24 servings).
Nutrition facts are given for 1 slice of bread.
In a small bowl, stir together powdered sugar and vanilla. Stir in enough milk (2 to 4 teaspoons) for a drizzling consistency.