Heat oven to 375 degrees. Generously grease bottom of loaf pan. Stir all ingredients except dates and walnuts in pan with fork until moistened; beat vigorously 1 minute. Stirs in dates and walnuts. Bake until wooden pick inserted in center comes out clean, 45 to 55 minutes. Cool 5 minutes. Run knife or metal spatula around sides of loaf to loosen; Remove from pan.