Beet, Feta And Walnut Tarts

• 2 None onions, thinly sliced
• 2 tbsp brown sugar
• 1/2 tbsp mustard seeds
• 1/4 cup balsamic vinegar
• 1/4 tsp salt
• None None Beet, Feta and Walnut Tarts
• 1 sheet frozen puff pastry, defrosted, cut into quarters
• 16 oz jarred beets, drained, diced
• 2.5 oz feta
• 1/3 cup walnuts, chopped
• 1 tbsp fresh rosemary leaves
• 1/2 tbsp olive oil

1. For the onion jam, combine onions, brown sugar, mustard seeds, vinegar, salt and 1/4 cup water in a small saucepan. Simmer gently for around 45 mins.
2. Preheat oven to 400u0b0F. Grease a baking sheet. Score a 1/3 inch border around each pastry section, creating a "frame." Place pastry on prepared sheet.
3. Combine beets, 1/2 the feta, walnuts, rosemary and olive oil. Toss gently to mix.
4. Spread 1/2 of the onion jam over pastry squares, inside borders. Add beet mixture then crumble remaining feta over top. Bake for 20-25 mins, or until pastry is golden brown.

onions, brown sugar, seeds, balsamic vinegar, salt, tarts, pastry, beets, feta, walnuts, rosemary, olive oil

Taken from recipes-plus.com/api/v2.0/recipes/32310 (may not work)