Combine honey, water, cinnamon and vanilla in a small bowl. In a medium skillet, heat to medium-low, add orange wedges, honey mixture and walnuts, toss to coat. Cover, reduce to low and warm oranges until honey thickens, about 4-6 minutes. Serve warm in dessert dishes, drizzled with syrup.: The first aroma you should notice is the warm scent of cinnamon and vanilla mingling with the sweetness of honey . Stirring them with water helps the sugars dissolve and the spices disperse evenly. This pre-mix ensures the syrup forms smoothly when it hits the pan, preventing gritty spots of undissolved sweetener. If you skip mixing, you might end up with uneven sweetness pockets or burnt honey on the pan surface.
In a medium skillet, heat to medium-low, add orange wedges, honey mixture and walnuts, toss to coat: As the skillet warms on medium low, it should feel gentle, not searing; when you add the blood oranges you want a soft hiss rather than a loud sizzle. The honey mixture will gloss the fruit, and tossing helps every segment get a thin, even coating. The walnuts will begin to release a nutty perfume as they warm, enriching the overall aroma. Too high heat will break down the segments and make them watery, so keep it restrained.
Cover, reduce to low and warm oranges until honey thickens, about 4-6 minutes: With the pan covered, steam circulates and warms the segments gently, creating a tender, syrupy finish. You should see the syrup bubble lightly around the fruit and become slightly syrupy, taking on a glossy sheen. The scent will deepen, showing a melding of citrus, spice, and toast from the nuts. Stir once or twice to keep syrup distribution even. A common mistake is leaving it uncovered at a high temperature, which can evaporate the liquid too quickly and leave hardened sugar spots.
Serve warm in dessert dishes, drizzled with syrup: When plating, lift the segments with a slotted spoon so you get a mix of fruit and syrup, then spoon the remaining glossy liquid over the top. Warm servings bring out the aroma and make the texture yield tenderly against the teeth. The color should be bright and the syrup clear and shiny, not cloudy. If the mixture cools too much, the syrup can thicken and become less pourable, so serve soon after warming for the best presentation.